[PATCH 2/3] winmm/tests: Use the explicit mciSendCommandA() version.

[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://newtestbot.winehq.org/JobDetails.pl?Key=3126

Your paranoid android.


=== w7pro64 (32 bit mci) ===
mci.c:988: Test failed: 394ms is not in the expected 400-600ms range
mci.c:995: Test failed: 394ms is not even in the expected 400-1000ms range