Added Indian Rupee symbol.

Author: clavaque

src/includes/classes/utils-cur.inc.php

@@ -86,6 +86,7 @@ public static function symbol($currency = '')
 			$symbols['HKD'] = '$'; // Hong Kong Dollar
 			$symbols['HUF'] = 'Ft'; // Hungarian Forint
 			$symbols['ILS'] = '₪'; // Israeli New Sheqel
+			$symbols['INR'] = 'Rs'; // Indian Rupee
 			$symbols['JPY'] = '¥'; // Japanese Yen
 			$symbols['MYR'] = 'RM'; // Malaysian Ringgit
 			$symbols['MXN'] = '$'; // Mexican Peso