haskell-unordered-containers: added version 0.1.4.6 again to fix build of snap-core

svn path=/nixpkgs/trunk/; revision=32911

pkgs/development/libraries/haskell/unordered-containers/0.1.4.6.nix

@@ -0,0 +1,17 @@
+{ cabal, deepseq, hashable }:
+
+cabal.mkDerivation (self: {
+  pname = "unordered-containers";
+  version = "0.1.4.6";
+  sha256 = "1azwxbrzlzaw54idp3z2xx1xlywzsf1r893blbz51nnwcj9v550d";
+  buildDepends = [ deepseq hashable ];
+  meta = {
+    description = "Efficient hashing-based container types";
+    license = self.stdenv.lib.licenses.bsd3;
+    platforms = self.ghc.meta.platforms;
+    maintainers = [
+      self.stdenv.lib.maintainers.andres
+      self.stdenv.lib.maintainers.simons
+    ];
+  };
+})