Moving dragonegg (gcc shared object plugin) into the llvm directory,

as I think it fits better there than in 'libraries'.

svn path=/nixpkgs/trunk/; revision=22238

pkgs/top-level/all-packages.nix

@@ -3708,7 +3708,7 @@ let
       libXrender;
   };
 
-  dragonegg = import ../development/libraries/dragonegg {
+  dragonegg = import ../development/compilers/llvm/dragonegg.nix {
     inherit fetchsvn llvm gmp mpfr mpc;
     stdenv = overrideGCC stdenv gcc45;
   };