== Sequencer ==

This removes the need of using "-g noaudio", if only HD Sound strips
are used. (In opposite to the RAM Sound strips, they don't need an 
initialized Game Sound Engine for obvious reasons...)

source/blender/src/seqaudio.c

@@ -629,7 +629,6 @@ static int audiostream_play_seq(Sequence * seq, int startframe)
 					      * 4 ));
 		}
 		if ((seq->type == SEQ_HD_SOUND)) {
-			have_sound = 1;
 			if (!seq->hdaudio) {
 				strncpy(name, seq->strip->dir, FILE_MAXDIR-1);
 				strncat(name, seq->strip->stripdata->name,