Update sound.cpp

line 104 / Mix_OpenAudio / third parameter had to be reverted

Stub/sound.cpp

@@ -101,7 +101,7 @@ void __fastcall music_start(int nTrack)
 		// This is a hack.... I don't like it .
 		// If you know this better than I , please help clean it up.
 
-		Mix_OpenAudio(44100, AUDIO_S16LSB, 2, 1024);
+		Mix_OpenAudio(44100, AUDIO_S16LSB, 1, 1024);
 		file = sgpMusicTrack;
 		bytestoread = (int)SFileGetFileSize((HANDLE)file, 0);
 		buffer = DiabloAllocPtr(bytestoread);