Minor - Rename function isUserSusbcribedAsStudent() to isUserSubscribedAsStudent()

main/inc/lib/auth.lib.php

@@ -630,7 +630,7 @@ class Auth
                 if ($session['nbr_courses'] > 0) {
                     $session['coach_name'] = api_get_person_name($session['firstname'], $session['lastname']);
                     $session['coach_name'] .= " ({$session['username']})";
-                    $session['is_subscribed'] = SessionManager::isUserSusbcribedAsStudent($session['id'], $userId);
+                    $session['is_subscribed'] = SessionManager::isUserSubscribedAsStudent($session['id'], $userId);
 
                     $sessionsToBrowse[] = $session;
                 }

main/inc/lib/sessionmanager.lib.php

@@ -5224,7 +5224,7 @@ class SessionManager
      * @param int $userId The user id
      * @return boolean Whether is subscribed
      */
-    public static function isUserSusbcribedAsStudent($sessionId, $userId)
+    public static function isUserSubscribedAsStudent($sessionId, $userId)
     {
         $sessionRelUserTable = Database::get_main_table(TABLE_MAIN_SESSION_USER);