libgsf: Update, fix test case compilation

pkgs/development/libraries/libgsf/default.nix

@@ -7,11 +7,11 @@ assert gnomeSupport -> gdk_pixbuf != null && gnome_vfs != null && libbonobo != n
   && glib != null;
 
 stdenv.mkDerivation rec {
-  name = "libgsf-1.14.22";
+  name = "libgsf-1.14.23";
 
   src = fetchurl {
-    url = mirror://gnome/sources/libgsf/1.14/libgsf-1.14.22.tar.xz;
-    sha256 = "0gvq1gbbcl078s3kgdc508jp7p3a3ps34fj4pf8vsamprbikpwm5";
+    url = "mirror://gnome/sources/libgsf/1.14/${name}.tar.xz";
+    sha256 = "05zvaazf0d584nfirwsz7889lbsl4v781hslv3kda6akiwbwdhdz";
   };
 
   buildNativeInputs = [ intltool pkgconfig ];
@@ -24,6 +24,8 @@ stdenv.mkDerivation rec {
 
   doCheck = true;
 
+  patches = [ ./syscall-name-clash.patch ];
+
   meta = {
     homepage = http://www.gnome.org/projects/libgsf;
     license = "LGPLv2";