haskellPackages.DPutils: fix build

pkgs/development/haskell-modules/configuration-common.nix

···
 
   # https://github.com/jswebtools/language-ecmascript/pull/81
   language-ecmascript = doJailbreak super.language-ecmascript;
+
+  # https://github.com/choener/DPutils/pull/1
+  DPutils = doJailbreak super.DPutils;
 }