Fixed REFERER problem, merged from stable

diff --git a/login/index.php b/login/index.php
index 28fa5c94918ac332dc3960b841fad9d02e82c556..3a857461254466b22806a27fbd385a1bf97ce47e 100644 (file)
--- a/login/index.php
+++ b/login/index.php
@@ -94,7 +94,7 @@
     }
 
     if (empty($SESSION->wantsurl)) {
-        $SESSION->wantsurl = $_SERVER["HTTP_REFERER"];
+        $SESSION->wantsurl = array_key_exists('HTTP_REFERER',$_SERVER) ? $_SERVER["HTTP_REFERER"] : $CFG->wwwroot; 
     }
     
     if (empty($frm->username)) {