Fix quests getting stuck because of audio never finishing

This make the game instead think that the audio finished instantly, but
rather that then getting stuck in the Lazurus quest.

SourceX/storm.cpp

@@ -61,7 +61,7 @@ BOOL STORMAPI SFileDdaEnd(HANDLE directsound)
 BOOL STORMAPI SFileDdaGetPos(HANDLE directsound, int a2, int a3)
 {
 	DUMMY_ONCE();
-	return 0;
+	return TRUE;
 }
 
 BOOL STORMAPI SFileDdaInitialize(HANDLE directsound)