RT#927424 Fix undefined offset issue

uw_ct_event.module

@@ -1139,7 +1139,7 @@ function uw_ct_event_preprocess_html(&$variables) {
     $variables['page']['#children'] = str_replace($search, $replace, $variables['page']['#children']);
   }
 
-  if (isset($path[0]) && $path[0] == 'events' && $path[1] !== 'calendar') {
+  if (isset($path[0]) && $path[0] == 'events' && isset($path[1]) && $path[1] !== 'calendar') {
 
     $type_tid = uw_ct_event_get_tid_from_machine_name('uw_event_type');
     $using_type_tid = uw_ct_event_get_using_taxonomy_term('uw_event_type');