gnu: packages: Use 'search-patches' everywhere.

* gnu/packages/abiword.scm: Use 'search-patches' for 'patches' field.
* gnu/packages/acl.scm: Likewise.
* gnu/packages/admin.scm: Likewise.
* gnu/packages/algebra.scm: Likewise.
* gnu/packages/animation.scm: Likewise.
* gnu/packages/apr.scm: Likewise.
* gnu/packages/audacity.scm: Likewise.
* gnu/packages/audio.scm: Likewise.
* gnu/packages/autotools.scm: Likewise.
* gnu/packages/avahi.scm: Likewise.
* gnu/packages/backup.scm: Likewise.
* gnu/packages/base.scm: Likewise.
* gnu/packages/bash.scm: Likewise.
* gnu/packages/bioinformatics.scm: Likewise.
* gnu/packages/cdrom.scm: Likewise.
* gnu/packages/ci.scm: Likewise.
* gnu/packages/cmake.scm: Likewise.
* gnu/packages/cpio.scm: Likewise.
* gnu/packages/cross-base.scm: Likewise.
* gnu/packages/dico.scm: Likewise.
* gnu/packages/doxygen.scm: Likewise.
* gnu/packages/ebook.scm: Likewise.
* gnu/packages/elf.scm: Likewise.
* gnu/packages/emacs.scm: Likewise.
* gnu/packages/engineering.scm: Likewise.
* gnu/packages/firmware.scm: Likewise.
* gnu/packages/flashing-tools.scm: Likewise.
* gnu/packages/fltk.scm: Likewise.
* gnu/packages/ftp.scm: Likewise.
* gnu/packages/games.scm: Likewise.
* gnu/packages/gawk.scm: Likewise.
* gnu/packages/gcc.scm: Likewise.
* gnu/packages/gd.scm: Likewise.
* gnu/packages/ghostscript.scm: Likewise.
* gnu/packages/glib.scm: Likewise.
* gnu/packages/gnome.scm: Likewise.
* gnu/packages/gnucash.scm: Likewise.
* gnu/packages/gnunet.scm: Likewise.
* gnu/packages/gnupg.scm: Likewise.
* gnu/packages/gnuzilla.scm: Likewise.
* gnu/packages/graphics.scm: Likewise.
* gnu/packages/grub.scm: Likewise.
* gnu/packages/gtk.scm: Likewise.
* gnu/packages/guile.scm: Likewise.
* gnu/packages/icu4c.scm: Likewise.
* gnu/packages/idutils.scm: Likewise.
* gnu/packages/image.scm: Likewise.
* gnu/packages/imagemagick.scm: Likewise.
* gnu/packages/irc.scm: Likewise.
* gnu/packages/ldc.scm: Likewise.
* gnu/packages/libcanberra.scm: Likewise.
* gnu/packages/libevent.scm: Likewise.
* gnu/packages/libreoffice.scm: Likewise.
* gnu/packages/libunwind.scm: Likewise.
* gnu/packages/libusb.scm: Likewise.
* gnu/packages/linux.scm: Likewise.
* gnu/packages/lirc.scm: Likewise.
* gnu/packages/llvm.scm: Likewise.
* gnu/packages/lsh.scm: Likewise.
* gnu/packages/lua.scm: Likewise.
* gnu/packages/lxqt.scm: Likewise.
* gnu/packages/mail.scm: Likewise.
* gnu/packages/maths.scm: Likewise.
* gnu/packages/mcrypt.scm: Likewise.
* gnu/packages/messaging.scm: Likewise.
* gnu/packages/mit-krb5.scm: Likewise.
* gnu/packages/mp3.scm: Likewise.
* gnu/packages/multiprecision.scm: Likewise.
* gnu/packages/music.scm: Likewise.
* gnu/packages/ninja.scm: Likewise.
* gnu/packages/nvi.scm: Likewise.
* gnu/packages/ocaml.scm: Likewise.
* gnu/packages/orpheus.scm: Likewise.
* gnu/packages/ots.scm: Likewise.
* gnu/packages/parallel.scm: Likewise.
* gnu/packages/patchutils.scm: Likewise.
* gnu/packages/pcre.scm: Likewise.
* gnu/packages/pdf.scm: Likewise.
* gnu/packages/perl.scm: Likewise.
* gnu/packages/plotutils.scm: Likewise.
* gnu/packages/polkit.scm: Likewise.
* gnu/packages/pulseaudio.scm: Likewise.
* gnu/packages/python.scm: Likewise.
* gnu/packages/qemu.scm: Likewise.
* gnu/packages/qt.scm: Likewise.
* gnu/packages/ratpoison.scm: Likewise.
* gnu/packages/rdf.scm: Likewise.
* gnu/packages/readline.scm: Likewise.
* gnu/packages/rush.scm: Likewise.
* gnu/packages/scheme.scm: Likewise.
* gnu/packages/screen.scm: Likewise.
* gnu/packages/sdl.scm: Likewise.
* gnu/packages/slim.scm: Likewise.
* gnu/packages/ssh.scm: Likewise.
* gnu/packages/tcl.scm: Likewise.
* gnu/packages/tcsh.scm: Likewise.
* gnu/packages/texinfo.scm: Likewise.
* gnu/packages/tls.scm: Likewise.
* gnu/packages/tor.scm: Likewise.
* gnu/packages/tv.scm: Likewise.
* gnu/packages/valgrind.scm: Likewise.
* gnu/packages/version-control.scm: Likewise.
* gnu/packages/video.scm: Likewise.
* gnu/packages/vpn.scm: Likewise.
* gnu/packages/vtk.scm: Likewise.
* gnu/packages/w3m.scm: Likewise.
* gnu/packages/web.scm: Likewise.
* gnu/packages/wicd.scm: Likewise.
* gnu/packages/wm.scm: Likewise.
* gnu/packages/xdisorg.scm: Likewise.
* gnu/packages/xfce.scm: Likewise.
* gnu/packages/xiph.scm: Likewise.
* gnu/packages/xml.scm: Likewise.
* gnu/packages/xorg.scm: Likewise.
* gnu/packages/zip.scm: Likewise.

gnu/packages/python.scm

@@ -100,10 +100,10 @@
       (sha256
        (base32
         "1h7zbrf9pkj29hlm18b10548ch9757f75m64l47sy75rh43p7lqw"))
-      (patches (map search-patch
-                    '("python-2.7-search-paths.patch"
-                      "python-2-deterministic-build-info.patch"
-                      "python-2.7-source-date-epoch.patch")))))
+      (patches (search-patches
+                "python-2.7-search-paths.patch"
+                "python-2-deterministic-build-info.patch"
+                "python-2.7-source-date-epoch.patch"))))
     (outputs '("out"
                "tk"))                     ;tkinter; adds 50 MiB to the closure
     (build-system gnu-build-system)
@@ -267,12 +267,12 @@ data types.")
               (method url-fetch)
               (uri (string-append "https://www.python.org/ftp/python/"
                                   version "/Python-" version ".tar.xz"))
-              (patches (map search-patch
-                            '("python-fix-tests.patch"
-                              ;; XXX Try removing this patch for python > 3.4.3
-                              "python-disable-ssl-test.patch"
-                              "python-3-deterministic-build-info.patch"
-                              "python-3-search-paths.patch")))
+              (patches (search-patches
+                        "python-fix-tests.patch"
+                        ;; XXX Try removing this patch for python > 3.4.3
+                        "python-disable-ssl-test.patch"
+                        "python-3-deterministic-build-info.patch"
+                        "python-3-search-paths.patch"))
               (patch-flags '("-p0"))
               (sha256
                (base32
@@ -1255,9 +1255,8 @@ commands.")
               (sha256
                (base32
                 "17ni00p08gp5lkxlrrcnvi3x09fmajnlbz4da03qcgl9q21ym4jd"))
-              (patches (map search-patch
-                            (list "pybugz-stty.patch"
-                                  "pybugz-encode-error.patch")))))
+              (patches (search-patches "pybugz-stty.patch"
+                                       "pybugz-encode-error.patch"))))
     (build-system python-build-system)
     (arguments
      `(#:python ,python-2                         ; SyntaxError with Python 3
@@ -3298,7 +3297,7 @@ transcendental functions).")
        (sha256
         (base32
          "1dn05cvd0g984lzhh72wa0z93psgwshbbg93fkab6slx5m3l95av"))
-       (patches (list (search-patch "matplotlib-setupext-tk.patch")))))
+       (patches (search-patches "matplotlib-setupext-tk.patch"))))
     (build-system python-build-system)
     (outputs '("out" "doc"))
     (propagated-inputs ; the following packages are all needed at run time
@@ -4272,7 +4271,7 @@ without using the configuration machinery.")
     (source
      (origin
        (method url-fetch)
-       (patches (list (search-patch "python-ipython-inputhook-ctype.patch")))
+       (patches (search-patches "python-ipython-inputhook-ctype.patch"))
        (uri (string-append "https://pypi.python.org/packages/source/i/"
                            "ipython/ipython-" version ".tar.gz"))
        (sha256
@@ -6642,7 +6641,7 @@ addon modules.")
                 "00h9rcmws03xvdlfni11yb60bz3kxfvsj6dg6nrpzj71f03nbxd2"))
               ;; Patch setup.py so it looks for python-setuptools, which is
               ;; required to parse the keyword 'install_requires' in setup.py.
-              (patches (list (search-patch "python-configobj-setuptools.patch")))))
+              (patches (search-patches "python-configobj-setuptools.patch"))))
     (build-system python-build-system)
     (native-inputs
      `(("python-setuptools" ,python-setuptools)
@@ -7767,10 +7766,8 @@ file.")
        (sha256
         (base32
          "16dsv9qi0r4qsrsb6dilpq2rx0fnglvh36flzywcdnm2jg43mb5d"))
-       (patches (list (search-patch
-                       "python-paste-remove-website-test.patch")
-                      (search-patch
-                       "python-paste-remove-timing-test.patch")))))
+       (patches (search-patches "python-paste-remove-website-test.patch"
+                                "python-paste-remove-timing-test.patch"))))
     (build-system python-build-system)
     (native-inputs
      `(("python-nose" ,python-nose)))
@@ -8502,7 +8499,7 @@ module, adding support for Unicode strings.")
                (base32
                 "0d8n1dlpiz7av8dmbp0vclrwl9cnxizr4f2c9xvj1h5nvn480527"))
               ;; https://github.com/markokr/rarfile/pull/17/
-              (patches (list (search-patch "python-rarfile-fix-tests.patch")))))
+              (patches (search-patches "python-rarfile-fix-tests.patch"))))
     (build-system python-build-system)
     (arguments
      '(#:phases