Update utf8_lookup.php

There was an extra ",". corected.

Author: hamidpeywasti

system/helper/utf8_lookup.php

@@ -224,7 +224,7 @@
 		'ف'=>'f','ق'=>'q','ك'=>'k','ل'=>'l','م'=>'m','ن'=>'n','ه'=>'x\'','و'=>'u','ي'=>'i',
 
 		// Persian
-		'ک'=>,'k','گ'=>'g','پ'=>'p','ژ'=>'zh','ی'=>'i','چ'=>'ch',
+		'ک'=>'k','گ'=>'g','پ'=>'p','ژ'=>'zh','ی'=>'i','چ'=>'ch',
 
 		// Japanese hiragana
 		'あ'=>'a','え'=>'e','い'=>'i','お'=>'o','う'=>'u','ば'=>'ba','べ'=>'be','び'=>'bi','ぼ'=>'bo','ぶ'=>'bu',