Add 'new' keyword to create String object instead of string literal

resource/js/crowi.js

@@ -317,7 +317,7 @@ $(function() {
     var $link = $(this);
     var text = $link.text();
     var path = $link.data('path');
-    var shortPath = String($link.data('short-path'));
+    var shortPath = new String($link.data('short-path'));
 
     var escape = function(s) {
       return s.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&');