meta search allow when overiding class


git-svn-id: https://forge.indepnet.net/svn/glpi/trunk@22877 35612d4c-9d10-0410-837c-bf9dd1be60d7
fix r22866


git-svn-id: https://forge.indepnet.net/svn/glpi/trunk@22878 35612d4c-9d10-0410-837c-bf9dd1be60d7