Regenerated all Haskell packages with the latest version of cabal2nix.

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

pkgs/development/libraries/haskell/happstack/happstack-util.nix

@@ -1,5 +1,5 @@
-{ cabal, extensibleExceptions, hslogger, mtl, network, parsec
-, random, time, unixCompat
+{ cabal, Cabal, extensibleExceptions, filepath, hslogger, mtl
+, network, parsec, random, time, unixCompat
 }:
 
 cabal.mkDerivation (self: {
@@ -9,8 +9,8 @@ cabal.mkDerivation (self: {
   isLibrary = true;
   isExecutable = true;
   buildDepends = [
-    extensibleExceptions hslogger mtl network parsec random time
-    unixCompat
+    Cabal extensibleExceptions filepath hslogger mtl network parsec
+    random time unixCompat
   ];
   meta = {
     homepage = "http://happstack.com";