Properly closed mask object definition to prevent JavaScript error in IE7

Unclosed object generates a JavaScript error in IE7: "Expected identifier, string, or number"

Author: holtkamp

dist/jquery.maskedinput.js

@@ -26,7 +26,7 @@ $.mask = {
 		'*': "[A-Za-z0-9]"
 	},
 	dataName: "rawMaskFn",
-	placeholder: '_',
+	placeholder: '_'
 };
 
 $.fn.extend({
@@ -335,4 +335,4 @@ $.fn.extend({
 });
 
 
-})(jQuery);
+})(jQuery);