fix gettext

git-svn-id: https://forge.indepnet.net/svn/glpi/trunk@22492 35612d4c-9d10-0410-837c-bf9dd1be60d7
CS

git-svn-id: https://forge.indepnet.net/svn/glpi/trunk@22493 35612d4c-9d10-0410-837c-bf9dd1be60d7