ole32: Don't pump all messages in CoWaitForMultipleHandles in threads without apartment window

[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=15654

Your paranoid android.


=== w8 (32 bit compobj) ===
compobj.c:2149: Test failed: expected index 0, got 3735928559
compobj.c:2157: Test failed: expected index 0, got 3735928559