[PATCH 1/2] winmm: Ignore broken nBlockAlign and AvgBytes within PCMWAVEFORMAT.

[Joerg-Cyril.Hoehle at t-systems.com]

Hi,

Back in 2009, I reported that I had listened native winmm play wav with broken nBlockAlign and AvgBytes.

I could never add the tests because Wine would not handle them correctly.  Since
the winmm->mmdevapi rewrite, there's now a central place where to fix it.

The wBitsPerSample is unverified.  I read in a MS blog that its behaviour depended very
much on sound card drivers, so I choose to be lenient instead of refusing it.
As a reaction, MS invented the WAVE EXTENSIBLE format with ValidBitsPerSample.

Regards,
 Jörg Höhle
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