solving problem with chat emails

sails/src/api/controllers/MessageController.js

@@ -45,7 +45,7 @@ module.exports = {
       var emails = [];
       for (var i=0; i<stusups.length; i++) {
         if (stusups[i].supervisor.id !== params.id_sup)
-          emails.append(stusups[i].supervisor.email);
+          emails.push(stusups[i].supervisor.email);
       }
 
       // Email body