[0.84] fix gettext

git-svn-id: https://forge.indepnet.net/svn/glpi/branches/0.84-bugfixes@22781 35612d4c-9d10-0410-837c-bf9dd1be60d7
[0.84] fix gettext

git-svn-id: https://forge.indepnet.net/svn/glpi/branches/0.84-bugfixes@22782 35612d4c-9d10-0410-837c-bf9dd1be60d7