Disambiguate "%" and "<NO>"

engine/routines/checknickerrors.asm

@@ -64,11 +64,11 @@ CheckNickErrors:: ; 669f
 ; table defining which characters are actually text commands
 ; format:
 	;      ≥           <
-	db TX_START,   TX_BOX    + 1
-	db "<PLAY_G>", $18       + 1
-	db "<NI>",     "%"       + 1
-	db "<ROUTE>",  "<GREEN>" + 1
-	db "<ENEMY>",  "<ENEMY>" + 1
-	db "<MOM>",    "<TM>"    + 1
-	db "<ROCKET>", "┘"       + 1
+	db TX_START,   TX_BOX      + 1
+	db "<PLAY_G>", "<CTRL_18>" + 1
+	db "<NI>",     "<NO>"      + 1
+	db "<ROUTE>",  "<GREEN>"   + 1
+	db "<ENEMY>",  "<ENEMY>"   + 1
+	db "<MOM>",    "<TM>"      + 1
+	db "<ROCKET>", "┘"         + 1
 	db -1 ; end