winealsa bug fix

[Robert Reif]

Reset played variables on open.
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Index: dlls/winmm/winealsa/audio.c
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RCS file: /home/wine/wine/dlls/winmm/winealsa/audio.c,v
retrieving revision 1.44
diff -u -r1.44 audio.c
--- dlls/winmm/winealsa/audio.c	1 Jun 2004 20:22:11 -0000	1.44
+++ dlls/winmm/winealsa/audio.c	12 Jun 2004 20:13:13 -0000
@@ -1616,6 +1616,8 @@
     wwo->dwBufferSize = buffer_size;
     wwo->lpQueuePtr = wwo->lpPlayPtr = wwo->lpLoopPtr = NULL;
     wwo->p_handle = pcm;
+    wwo->dwPlayedTotal = wwo->dwWrittenTotal = 0;
+    wwo->dwPartialOffset = 0;
 
     ALSA_InitRingMessage(&wwo->msgRing);