gconfmm: add version 2.28.3

Patch submitted by Jan Malakhovski <oxij@oxij.org>.

pkgs/desktops/gnome-2/default.nix

@@ -33,6 +33,8 @@
 
   GConf = callPackage ./platform/GConf { };
 
+  gconfmm = callPackage ./platform/gconfmm { };
+
   libgnomecanvas = callPackage ./platform/libgnomecanvas { };
 
   libgnomecanvasmm = callPackage ./platform/libgnomecanvasmm { };

pkgs/desktops/gnome-2/platform/gconfmm/default.nix

@@ -0,0 +1,23 @@
+{ stdenv, fetchurl_gnome, pkgconfig, GConf, gtkmm, glibmm }:
+
+stdenv.mkDerivation rec {
+  name = src.pkgname;
+
+  src = fetchurl_gnome {
+    project = "gconfmm";
+    major = "2"; minor = "28"; patchlevel = "3"; extension = "bz2";
+    sha256 = "a5e0092bb73371a3ca76b2ecae794778f3a9409056fee9b28ec1db072d8e6108";
+  };
+
+  buildNativeInputs = [pkgconfig];
+
+  propagatedBuildInputs = [ GConf gtkmm glibmm ];
+
+  meta = {
+    description = "C++ wrappers for GConf";
+
+    license = "LGPLv2+";
+
+    platforms = stdenv.lib.platforms.linux;
+  };
+}