ol32: Make enumx implementation look more like a COM interface.

[Alexandre Julliard]

Dmitry Timoshkov <dmitry at baikal.ru> writes:

> The patch actually removes the casts, the only cast that remains is the cast
> on the caller's side for the vtable pointer (which is much cleaner IMO since
> every COM object implements IUnknown), but the implementation itself is cast
> free, and looks now as an actual COM object.

Not really. An actual COM object would contain a pointer to a vtable for
the correct interface. IUnknown is not much better than void*.

-- 
Alexandre Julliard
julliard at winehq.org