check if the title of an event is null - bugfix for oc-139

diff --git a/apps/calendar/ajax/events.php b/apps/calendar/ajax/events.php
index 922df90b76be21b50cf3c0e3912a13d99f1d1a90..cf768f51c6f03b664dbf6e983d70f3f5026afdc2 100755 (executable)
--- a/apps/calendar/ajax/events.php
+++ b/apps/calendar/ajax/events.php
@@ -12,7 +12,7 @@ require_once('when/When.php');
 function create_return_event($event, $vevent){
        $return_event = array();
        $return_event['id'] = (int)$event['id'];
-       $return_event['title'] = htmlspecialchars($event['summary']);
+       $return_event['title'] = htmlspecialchars(($event['summary']!=NULL)?$event['summary']:$l->t('unnamed'));
        $return_event['description'] = isset($vevent->DESCRIPTION)?htmlspecialchars($vevent->DESCRIPTION->value):'';
        $last_modified = $vevent->__get('LAST-MODIFIED');
        if ($last_modified){