gnumeric: Update to 1.12.0

Also update dependencies (goffice, libgsf) to required versions.

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-1.14.23";
+  name = "libgsf-1.14.25";
 
   src = fetchurl {
     url = "mirror://gnome/sources/libgsf/1.14/${name}.tar.xz";
-    sha256 = "05zvaazf0d584nfirwsz7889lbsl4v781hslv3kda6akiwbwdhdz";
+    sha256 = "127548f07e07951984fb139c3f89d65b9e471aefe6555387de03e1113944d1a2";
   };
 
   buildNativeInputs = [ intltool pkgconfig ];
@@ -24,8 +24,6 @@ stdenv.mkDerivation rec {
 
   doCheck = true;
 
-  patches = [ ./syscall-name-clash.patch ];
-
   meta = {
     homepage = http://www.gnome.org/projects/libgsf;
     license = "LGPLv2";