Attempt to fix Hint compatibility problem (WIP)

Change-Id: I3016afc2f74b90c223dd4f8f2386b71aab1eedcd
diff --git a/dev/js/src/hint/menu.js b/dev/js/src/hint/menu.js
index a9a3fb2..bf1a04b 100644
--- a/dev/js/src/hint/menu.js
+++ b/dev/js/src/hint/menu.js
@@ -1,6 +1,9 @@
 /**
  * Hint menu
  */
+
+"use strict";
+
 define([
   'menu',
 	'hint/item',