Zabbix

.......... [DEV-1994] fixed "‘%s’ directive argument is null" gcc warning

Merge in ZBX/zabbix from feature/DEV-1994-5.5 to master

* commit 'ab109fc5f0203e77c8697a38f4aa1712b6211024':
  .......... [DEV-1994] refactoring of ‘%s’ gcc warning for vmware.c
  .......... [DEV-1994] added something impossible
  .......... [DEV-1994] fixed "‘%s’ directive argument is null" gcc warning