rem: for (i = 0; i <= NUM_FX_CHANNELS; ++i)
add: for (i = FIRST_SFX_CHANNEL; i <= LAST_SFX_CHANNEL; ++i)
context: RemoveSoundsForObject (ELEMENTPTR PosObj){	int i;	for (i = 0; i <= NUM_FX_CHANNELS; ++i)	{		// XXX: (possible BUG): shouldn't the "<=" be "<"		// TODO: investigate - SvdB		if (GetPositionalObject (i) == PosObj)			SetPositionalObject (i, NULL);	}	for (i = 0; i < num_sounds; ++i)	{		if (sound_posobj[i] == PosObj)			sound_posobj[i] = NULL;	}}