Lint - undefined object methods

include/class.osticket.php

 <?php
-/*************************************************************************
+/*******************************************************************
     class.osticket.php
 
     osTicket (sys) -> Config.
@@ -39,7 +39,7 @@ class osTicket {
     }
 
     function isSystemOnline() {
-        return ($this->getConfig() && $this->getConfig()->isHelpdeskOnline() && !$this->isUpgradePending());
+        return ($this->getConfig() && $this->getConfig()->isHelpDeskOnline() && !$this->isUpgradePending());
     }
 
     function isUpgradePending() {

scp/staff.inc.php

@@ -71,7 +71,7 @@ if(!$thisstaff->isAdmin()) {
     }
 
     //Staff are not allowed to login in offline mode!!
-    if(!$ost->isSystemOffline() || $ost->isUpgradePending()) {
+    if(!$ost->isSystemOnline() || $ost->isUpgradePending()) {
         staffLoginPage('System Offline');
         exit;
     }