Fix broken elements in the new toolbar

customize.dist/messages.js

@@ -22,9 +22,11 @@ define(['/customize/languageSelector.js',
         messages = $.extend(true, {}, Default, map[language]);
     }
 
+    // messages_languages return the available translations and their name in an object :
+    // { "en": "English", "fr": "French", ... }
     messages._languages = {
         'en': Default._languageName
-    }
+    };
     for (var l in map) {
         messages._languages[l] = map[l]._languageName || l;
     }