fix merl's shit

git-svn-id: http://www.observium.org/svn/observer/trunk@2365 61d68cd4-352d-0410-923a-c4978735b2b8

html/includes/graphs/graph.inc.php

@@ -39,6 +39,8 @@ $id       = mres($_GET['id']);
 if (!$config['allow_unauth_graphs'])
 {
   if (!$_SESSION['authenticated']) { graph_error("Session not authenticated"); exit; }
+} else {
+  $auth = TRUE; ## hardcode auth for all
 }
 
 preg_match('/^(?P<type>[A-Za-z0-9]+)_(?P<subtype>.+)/', mres($_GET['type']), $graphtype);