Fixes to MangaGamer typos

Just fixing a handful of spelling errors that made it through MangaGamer's QA.

Update/onik_014.txt

@@ -2640,7 +2640,7 @@ void main()
 //　だから歩きながらもじっと耳を澄ませ、不穏な音・気配の接近を探っている…￥
 	if (GetGlobalFlag(GADVMode)) { OutputLineAll("", NULL, Line_ContinueAfterTyping); }
 	OutputLine(NULL, "　だから歩きながらもじっと耳を澄ませ、不穏な音・気配の接近を探っている…。",
-		   NULL, "Even while walking, my ears pricked up, and sought out threating sounds and presences that could be closing in...", Line_Normal);
+		   NULL, "Even while walking, my ears pricked up, and sought out threatening sounds and presences that could be closing in...", Line_Normal);
 	ClearMessage();