Change volume for PS2 voices

Update/onik_010.txt

@@ -1649,7 +1649,7 @@ void main()
 
 //「うん。わかったね！￥
 	if (GetGlobalFlag(GADVMode)) { OutputLine("<color=#f0953d>レナ</color>", NULL, "<color=#f0953d>Rena</color>", NULL, Line_ContinueAfterTyping); }
-	ModPlayVoiceLS(3, 2, "ps2/02/120200035", 256, TRUE);
+	ModPlayVoiceLS(3, 2, "ps2/02/120200035", 540, TRUE);
 	if (GetGlobalFlag(GADVMode)) { OutputLineAll("", NULL, Line_Continue); }
 	OutputLine(NULL, "「うん。わかったよ！」",
 		   NULL, "\"Okay. Got it!\"", Line_Normal);