[0.84]try to fix search for is_active - fixed #4971

git-svn-id: https://forge.indepnet.net/svn/glpi/branches/0.84-bugfixes@23035 35612d4c-9d10-0410-837c-bf9dd1be60d7
[0.84] clean fix for #4971


git-svn-id: https://forge.indepnet.net/svn/glpi/branches/0.84-bugfixes@23038 35612d4c-9d10-0410-837c-bf9dd1be60d7