wine64Packages.minimal: mark broken on Darwin

Darwin requires MinGW to build Wine because clang does not support
`-mabi=ms`, which is required when building without MinGW .

pkgs/applications/emulators/wine/base.nix

···
       fromSource
       binaryNativeCode  # mono, gecko
     ];
+    broken = stdenv.isDarwin && !supportFlags.mingwSupport;
     description = if supportFlags.waylandSupport then "An Open Source implementation of the Windows API on top of OpenGL and Unix (with experimental Wayland support)" else "An Open Source implementation of the Windows API on top of X, OpenGL, and Unix";
     platforms = if supportFlags.waylandSupport then (lib.remove "x86_64-darwin" prevPlatforms) else prevPlatforms;
     maintainers = with lib.maintainers; [ avnik raskin bendlas jmc-figueira reckenrode ];