Strict check fix from judas iscariote

diff --git a/serendipity_config.inc.php b/serendipity_config.inc.php
index 1f89ca2e75f66f5bb77c4b104b74f2fb10a72c3d..68076e7969913e16c990d236fc352fecb16ec293 100644 (file)
--- a/serendipity_config.inc.php
+++ b/serendipity_config.inc.php
@@ -9,7 +9,7 @@ if (defined('S9Y_FRAMEWORK')) {
 @define('S9Y_FRAMEWORK', true);
 
 if (!headers_sent()) {
-    if (strtolower($_SERVER['HTTPS']) == 'on') {
+    if (isset($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) == 'on') {
         @ini_set('session.name', 'SSLSID');
         @ini_set('session.cookie_secure', '1');
     }