[PATCH 0/1] MR11162: winmm: Avoid loop counter underflow when dwLoops is 0.

[Myungbae Son (＠nedsociety)]

dwFlags = WHDR_BEGINLOOP|WHDR_ENDLOOP with dwLoops 0 underflowed loop_counter to 0xffffffff, so the buffer was never finished and playback looped forever.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=59874

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https://gitlab.winehq.org/wine/wine/-/merge_requests/11162