[Bug 38394] Eador: Genesis crashes on exit (only in fullscreen mode)

https://bugs.winehq.org/show_bug.cgi?id=38394

--- Comment #1 from Stefan Dösinger  ---
I can reproduce this using KDE, but it is fairly rare. As far as I can see the
game tries to call SetCooperativeLevel at the same time a focus loss happens,
though it's not clear to me why exactly this crashes. I also think the focus
loss itself is the problem, not the concurrency.

I tested this case with d3d9 when I wrote the focus handling patches. In d3d9
doing what the app seems to be doing results in a segfault on Windows.