gnu: Fix common unquote typos.

It's easy to mistype ‘("foo" foo)’ as ‘("foo", foo)’ (which also works).
Fix such typos for the proper edification of our young.

* gnu/packages/android.scm: Move unquotes to their operands.
* gnu/packages/bootloaders.scm: Likewise.
* gnu/packages/build-tools.scm: Likewise.
* gnu/packages/chemistry.scm: Likewise.
* gnu/packages/compression.scm: Likewise.
* gnu/packages/connman.scm: Likewise.
* gnu/packages/django.scm: Likewise.
* gnu/packages/emulators.scm: Likewise.
* gnu/packages/engineering.scm: Likewise.
* gnu/packages/file-systems.scm: Likewise.
* gnu/packages/freedesktop.scm: Likewise.
* gnu/packages/games.scm: Likewise.
* gnu/packages/gimp.scm: Likewise.
* gnu/packages/gl.scm: Likewise.
* gnu/packages/gnome.scm: Likewise.
* gnu/packages/graphics.scm: Likewise.
* gnu/packages/haskell.scm: Likewise.
* gnu/packages/irc.scm: Likewise.
* gnu/packages/julia.scm: Likewise.
* gnu/packages/kde-frameworks.scm: Likewise.
* gnu/packages/linux.scm: Likewise.
* gnu/packages/lua.scm: Likewise.
* gnu/packages/mail.scm: Likewise.
* gnu/packages/make-bootstrap.scm: Likewise.
* gnu/packages/messaging.scm: Likewise.
* gnu/packages/music.scm: Likewise.
* gnu/packages/networking.scm: Likewise.
* gnu/packages/ocaml.scm: Likewise.
* gnu/packages/perl.scm: Likewise.
* gnu/packages/python.scm: Likewise.
* gnu/packages/python-web.scm: Likewise.
* gnu/packages/qt.scm: Likewise.
* gnu/packages/ratpoison.scm: Likewise.
* gnu/packages/sdl.scm: Likewise.
* gnu/packages/sml.scm: Likewise.
* gnu/packages/terminals.scm: Likewise.
* gnu/packages/text-editors.scm: Likewise.
* gnu/packages/video.scm: Likewise.
* gnu/packages/virtualization.scm: Likewise.
* gnu/packages/vulkan.scm: Likewise.
* gnu/packages/wget.scm: Likewise.
* gnu/packages/wine.scm: Likewise.
* gnu/packages/wm.scm: Likewise.
* gnu/packages/xdisorg.scm: Likewise.
* gnu/packages/xml.scm: Likewise.
* gnu/packages/xorg.scm: Likewise.

gnu/packages/flashing-tools.scm

@@ -104,7 +104,7 @@ programmer devices.")
         "1g4032c81wkk37wvbg1dxcqq6mnd76y9x7f2crmzqi6z4q9jcxmj"))))
     (build-system gnu-build-system)
     (inputs
-     `(("libusb",libusb-0.1))) ; doesn't work with libusb-compat
+     `(("libusb" ,libusb-0.1))) ; doesn't work with libusb-compat
     (arguments
      '(#:phases
        (modify-phases %standard-phases