Regenerated all Haskell packages with the latest version of cabal2nix.

svn path=/nixpkgs/trunk/; revision=32292

pkgs/development/libraries/haskell/curl/default.nix

@@ -1,9 +1,10 @@
-{ cabal, curl }:
+{ cabal, Cabal, curl }:
 
 cabal.mkDerivation (self: {
   pname = "curl";
   version = "1.3.7";
   sha256 = "0i6d7732p5gn1bcvavbxcg4wd18j425mi1yjg0b29zzz3yl0qhgi";
+  buildDepends = [ Cabal ];
   extraLibraries = [ curl ];
   meta = {
     description = "Haskell binding to libcurl";