Mac: Don't prompt to reopen windows after crash.

We don't support state serialization / resume, so disable the prompt
that pops up asking if you want to reopen the windows.

--HG--
extra : rebase_source : 1343066a8e60de7731c864b3d940351747acb58c
SDL_DXGIGetOutputInfo() checks input parameters and returns a boolean value whether or not it succeeded.
Fixed logic error loading DXGI