haskell-permutation: disable 'doCheck' to avoid build errors

Test/Permute.hs:20:8:
    Could not find module `Test.QuickCheck'
    Use -v to see a list of the files searched for.

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

@@ -4,6 +4,7 @@ cabal.mkDerivation (self: {
   pname = "permutation";
   version = "0.4.1";
   sha256 = "0fgw4ivs8sa18fyphwr3mzp2v7ha2nz2yf3a7jmz9ymqdf2xws97";
+  doCheck = false;
   meta = {
     homepage = "http://stat.stanford.edu/~patperry/code/permutation";
     description = "A library for permutations and combinations";