[DSOUND] fix memory leak

[Robert Reif]

Fix primary buffer memory leak.
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Index: dlls/dsound/dsound.c
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RCS file: /home/wine/wine/dlls/dsound/dsound.c,v
retrieving revision 1.27
diff -p -u -r1.27 dsound.c
--- dlls/dsound/dsound.c	24 Jan 2005 13:31:27 -0000	1.27
+++ dlls/dsound/dsound.c	1 Feb 2005 12:55:14 -0000
@@ -285,6 +285,7 @@ static ULONG WINAPI IDirectSoundImpl_Rel
             IDsDriver_Release(This->driver);
 
 	HeapFree(GetProcessHeap(),0,This->tmp_buffer);
+	HeapFree(GetProcessHeap(),0,This->buffer);
         RtlDeleteResource(&This->buffer_list_lock);
         This->mixlock.DebugInfo->Spare[1] = 0;
         DeleteCriticalSection(&This->mixlock);