added missing line in _alerts.php
added missing line in _alerts.php

Signed-off-by: Jacob Frank <14b6c3375186991aab9a469ac9b4cf5b6ac75422@gmail.com>

jacobfrank4/Lab5-6-ToDoLists,jacobfrank4/Lab5-6-ToDoLists,COMP4711Lab56Jaing/Lab5-6-ToDoLists,COMP4711Lab56Jaing/Lab5-6-ToDoLists,jacobfrank4/Lab5-6-ToDoLists,COMP4711Lab56Jaing/Lab5-6-ToDoLists