Add back fix compiling for basement in haskell.nix

Author: jasagredo

nix/haskell.nix

@@ -35,6 +35,10 @@ let
               extraSrcFiles = [ "golden/${n}/**/*" ];
             }) [ "byron" "shelley" "cardano" ]);
       }
+      ({ pkgs, lib, ... }: lib.mkIf pkgs.stdenv.hostPlatform.isWindows {
+        # https://github.com/input-output-hk/haskell.nix/issues/2332
+        packages.basement.configureFlags = [ "--hsc2hs-option=--cflag=-Wno-int-conversion" ];
+      })
       ({ pkgs, ... }: {
         # Tools for CBOR/CDDL tests:
         packages.ouroboros-consensus-cardano.components.tests.cardano-test = {