mciavi: Don't wait for events we don't handle

[Christian Costa]

When a stream is played, the wait ends without any stop event or timeout 
reached
which caused the frames to be played as fast as possible.
So only wait for events we care and keep the framerate correct with the 
timeout.

-------------- next part --------------
A non-text attachment was scrubbed...
Name: mciavi.diff
Type: text/x-patch
Size: 1379 bytes
Desc: not available
Url : http://www.winehq.org/pipermail/wine-patches/attachments/20090119/b036a80a/attachment.bin