gnu: magit: Update to 2.3.1.

* gnu/packages/emacs.scm (magit): Update to 2.3.1.

gnu/packages/emacs.scm

@@ -316,7 +316,7 @@ configuration files, such as .gitattributes, .gitignore, and .git/config.")
 (define-public magit
   (package
     (name "magit")
-    (version "2.3.0")
+    (version "2.3.1")
     (source (origin
              (method url-fetch)
              (uri (string-append
@@ -324,7 +324,7 @@ configuration files, such as .gitattributes, .gitignore, and .git/config.")
                    version "/" name "-" version ".tar.gz"))
              (sha256
               (base32
-               "0bi0vqp9802f00vnii3x80iqycji20bw4pjysy6al0d86mkggjx5"))))
+               "1wnx034adkwhbsydd10il2099hpzz351kp39sri8s1yd43f795gf"))))
     (build-system gnu-build-system)
     (native-inputs `(("texinfo" ,texinfo)
                      ("emacs" ,emacs-no-x)))