haskell-hlint: fix build with ghc-8.10.1

+5
+5
pkgs/development/haskell-modules/configuration-ghc-8.10.x.nix
··· 110 110 sha256 = "0lhs4vx5qg5ldhnyb9z7k0jmxhmd2f34x4xbwv6vsljs9vr02pd8"; 111 111 }); 112 112 113 + # https://github.com/ndmitchell/hlint/issues/959 114 + hlint = super.hlint.override { 115 + ghc-lib-parser-ex = addBuildDepend super.ghc-lib-parser-ex super.ghc-lib-parser; 116 + }; 117 + 113 118 }