0000809: Use more php classes implementation

Use class for c13y

Fix problem with call-time pass-by-reference

git-svn-id: http://piwigo.org/svn/trunk@2238 68402e56-0260-453c-a942-63ccdbb3a9ee

admin/include/check_integrity.class.php

@@ -69,7 +69,7 @@ class check_integrity
     $this->retrieve_list = array();
     $this->build_ignore_list = array();
 
-    trigger_action('list_check_integrity', &$this);
+    trigger_action('list_check_integrity', $this);
 
     // Information
     if (count($this->retrieve_list) > 0)