gnu: shadowsocks: Improve style.

* gnu/packages/networking.scm (shadowsocks): Run guix style.
[arguments]: Use g-expressions.

Change-Id: I947116bf1730aa42649d86af28522fe90af30378
Signed-off-by: Sharlatan Hellseher <sharlatanus@gmail.com>

gnu/packages/networking.scm

@@ -3621,20 +3621,18 @@ asynchronous model using a modern C++ approach.")
        (sha256
         (base32 "02mp5905nz02d7amb4zc77rcrkxmvy8mf5rci7mvy58g24lvbw25"))
        (file-name (git-file-name name version))))
-    (inputs
-     (list openssl))
+    (build-system python-build-system)
     (arguments
-     '(#:phases
-       (modify-phases %standard-phases
+     (list
+      #:phases
+      #~(modify-phases %standard-phases
           (add-after 'unpack 'patch-crypto-paths
             (lambda* (#:key inputs #:allow-other-keys)
               (substitute* "shadowsocks/shell.py"
                 (("config\\.get\\('libopenssl', None\\)")
                  (format #f "config.get('libopenssl', ~s)"
-                        (string-append
-                         (assoc-ref inputs "openssl")
-                         "/lib/libssl.so")))))))))
-    (build-system python-build-system)
+                         (search-input-file inputs "lib/libssl.so")))))))))
+    (inputs (list openssl))
     (home-page "https://github.com/shadowsocks/shadowsocks")
     (synopsis "Fast tunnel proxy that helps you bypass firewalls")
     (description