add gtk-engine-murrine 0.98.2

pkgs/misc/themes/gtk2/gtk-engine-murrine/default.nix

···
+{ stdenv, fetchurl, pkgconfig, intltool, gtk2 }:
+
+stdenv.mkDerivation {
+  name = "gtk-engine-murrine-0.98.2";
+
+  src = fetchurl {
+    url = "mirror://gnome/sources/murrine/0.98/murrine-0.98.2.tar.xz";
+    sha256 = "129cs5bqw23i76h3nmc29c9mqkm9460iwc8vkl7hs4xr07h8mip9";
+  };
+
+  buildInputs = [ pkgconfig intltool gtk2 ];
+
+  meta = {
+    description = "A very flexible theme engine";
+    license = stdenv.lib.licenses.lgpl3;
+    platforms = stdenv.lib.platforms.linux;
+  };
+}

pkgs/top-level/all-packages.nix

···
 
   gtk_engines = callPackage ../misc/themes/gtk2/gtk-engines { };
 
+  gtk-engine-murrine = callPackage ../misc/themes/gtk2/gtk-engine-murrine { };
+
   gnome_themes_standard = callPackage ../misc/themes/gnome-themes-standard { };
 
   xfce = xfce4_10;