Specified parameter type (improves code analysis)

~dev_rating/application/classes/Controller/Teacher/Discipline.php

@@ -198,7 +198,7 @@ class Controller_Teacher_Discipline extends Controller_UserEnvi {
         return $mapHandled;
     }
     
-    public function GetDisciplineInfo($db, $id)
+    public function GetDisciplineInfo(Model_Teacher_Map $db, $id)
     {
         $info = $db->getDisciplineInfoByID($id);