babl: 0.1.10 -> 0.1.12

New version fixes build on Darwin

pkgs/development/libraries/babl/default.nix

···
 { stdenv, fetchurl }:
 
 stdenv.mkDerivation rec {
-  name = "babl-0.1.10";
+  name = "babl-0.1.12";
 
   src = fetchurl {
-    url = "ftp://ftp.gtk.org/pub/babl/0.1/${name}.tar.bz2";
-    sha256 = "943fc36ceac7dd25bc928256bc7b535a42989c6b971578146869eee5fe5955f4";
+    url = "http://ftp.gtk.org/pub/babl/0.1/${name}.tar.bz2";
+    sha256 = "01x4an6zixrhn0vibkxpcb7gg348gadydq8gpw82rdqp39zjp01g";
   };
 
   meta = {