zabbix:
 * bump version to [http://www.zabbix.com/rn2.2.2.php 2.2.2], by MyRaCoLi
 * fixes #2416


git-svn-id: file:///var/svn/freetz/trunk@11873 149334a1-2f27-0410-a3b9-fc62619ac1e6