Re: dinput: Prevent race between destroying the hook window and unloading the dll.

[Alexandre Julliard]

Vitaliy Margolen  writes:
>  else ERR("Error creating message window\n");
>
> - UnregisterClassW(classW, DINPUT_instance);
> return 0;

You need to clear the class atom if you unregister the class,
otherwise the next window creation will fail.