kgocode: added automoc4 to buildInputs

pkgs/applications/misc/kgocode/default.nix

···
-{ fetchgit, stdenv, cmake, kdelibs } :
+{ fetchgit, stdenv, cmake, kdelibs, automoc4 } :
 
 stdenv.mkDerivation rec {
   name = "kgocode-0.0.1";
 
-  buildInputs = [ cmake kdelibs ];
+  buildInputs = [ cmake kdelibs automoc4 ];
 
   src = fetchgit {
     url = https://bitbucket.org/lucashnegri/kgocode.git;