winealsa.drv: Replicate the snd_pcm_recover alsa-lib implementation to cope with older alsa-lib versions.

[Andrew Nguyen]

---
 dlls/winealsa.drv/alsa.c     |   45 +++++++++++++++++++++++++++++------------
 dlls/winealsa.drv/alsa.h     |    2 +-
 dlls/winealsa.drv/dsoutput.c |    2 +-
 dlls/winealsa.drv/waveout.c  |    4 +-
 4 files changed, 36 insertions(+), 17 deletions(-)


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