wineesd.drv: Add missing return in function returning non-void.

Return value is analog to what the ALSA and OSS driver are doing.

dlls/wineesd.drv/audio.c

@@ -1157,6 +1157,8 @@ static	DWORD	CALLBACK	wodPlayer(LPVOID pmt)
 	    dwNextFeedTime = dwNextNotifyTime = INFINITE;
 	}
     }
+
+    return 0;
 }
 
 /**************************************************************************