Fix multiple cicada BSFX playing at same time

 - See 07th-mod/matsuribayashi#44

Update/_mina_028.txt

@@ -549,6 +549,7 @@ void main()
 		   NULL, " If we don't get them now, we'll definitely lose them.\"", Line_Normal);
 	ClearMessage();
 
+	FadeOutBGM( 1, 1000, FALSE );
 	DrawSceneWithMask( "background/moon", "maskright", 7, 0, 300 );
 	PlayBGM( 3, "yabaisemi", 56, 0 );