MFH: r448070

net-mgmt/zabbix22-*: Update to 2.2.19, Fixes security vulnerability

Changes: https://www.zabbix.com/rn2.2.19

PR: 221562
Submitted by: pg@pakhom.spb.ru (maintainer)
Security: 5df8bd95-8290-11e7-93af-005056925db4

Approved by: ports-secteam (feld)