ole32:fix CoWaitForMultipleHandles cause RPC hang

[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=10726

Your paranoid android.


=== w2000pro (32 bit compobj) ===
compobj.c:2296: Test failed: Expected OLE apartment window is valid!compobj.c:2325: sleep 1 second

=== wxppro (32 bit compobj) ===
compobj.c:2296: Test failed: Expected OLE apartment window is valid!compobj.c:2325: sleep 1 second

=== wvistau64 (32 bit compobj) ===
compobj.c:2296: Test failed: Expected OLE apartment window is valid!compobj.c:2325: sleep 1 second

=== w2008s64 (32 bit compobj) ===
compobj.c:2296: Test failed: Expected OLE apartment window is valid!compobj.c:2325: sleep 1 second

=== w7u (32 bit compobj) ===
compobj.c:2296: Test failed: Expected OLE apartment window is valid!compobj.c:2325: sleep 1 second

=== w8 (32 bit compobj) ===
compobj.c:2296: Test failed: Expected OLE apartment window is valid!compobj.c:2325: sleep 1 second

=== wvistau64 (64 bit compobj) ===
compobj.c:2296: Test failed: Expected OLE apartment window is valid!compobj.c:2325: sleep 1 second

=== w2008s64 (64 bit compobj) ===
compobj.c:2296: Test failed: Expected OLE apartment window is valid!compobj.c:2325: sleep 1 second