[PATCH] winex11: Don't pump messages in ChangeDisplaySettings (v2).

[Marvin]

Hi,

While running your changed tests on Windows, I think I found new failures.
Being a bot and all I'm not very good at pattern recognition, so I might be
wrong, but could you please double-check?
Full results can be found at
https://testbot.winehq.org/JobDetails.pl?Key=12824

Your paranoid android.


=== w8 (32 bit sysparams) ===
sysparams.c:2493: Test failed: Waiting for the WM_DISPLAYCHANGE message timed out
sysparams.c:2506: Test failed: Set bpp 32, but WM_DISPLAYCHANGE reported bpp -1