gnu: gnome: Add gnome-icon-theme.

* gnu/packages/gnome.scm (gnome-icon-theme): New variable.

gnu/packages/gnome.scm

@@ -17,7 +17,7 @@
 ;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
 
 (define-module (gnu packages gnome)
-  #:use-module ((guix licenses) #:select (gpl2+ lgpl2.1+))
+  #:use-module ((guix licenses) #:select (gpl2+ lgpl2.1+ lgpl3))
   #:use-module (guix packages)
   #:use-module (guix download)
   #:use-module (guix build-system gnu)
@@ -110,6 +110,32 @@ Specification, the icon naming utility maps the icon names used by the
 GNOME and KDE desktops to the icon names proposed in the specification.")
     (license lgpl2.1+)))
 
+(define-public gnome-icon-theme
+  (package
+    (name "gnome-icon-theme")
+    (version "3.10.0")
+    (source
+     (origin
+      (method url-fetch)
+      (uri (string-append "mirror://gnome/sources/" name "/"
+                          (string-copy version 0 (string-rindex version #\.)) "/"
+                          name "-" version ".tar.xz"))
+      (sha256
+       (base32
+        "1xinbgkkvlhazj887ajcl13i7kdc1wcca02jwxzvjrvchjsp4m66"))))
+    (build-system gnu-build-system)
+    (inputs
+     `(("gtk+" ,gtk+)
+       ("icon-naming-utils" ,icon-naming-utils)
+       ("intltool" ,intltool)
+       ("pkg-config" ,pkg-config)))
+    (home-page "http://art.gnome.org/")
+    (synopsis
+     "GNOME icon theme")
+    (description
+     "Icons for the GNOME desktop.")
+    (license lgpl3))) ; or Creative Commons BY-SA 3.0
+
 (define-public libnotify
   (package
     (name "libnotify")