Zabbix

...G...... [ZBX-19001] fixed wmi.getall[] and wmi.get[] to report invalid queries

Merge in ZBX/zabbix from feature/ZBX-19001-5.0 to release/5.0

* commit 'fdd711474806626819d6d6da45a7c6f12fcd75c8':
  ...G...... [ZBX-19001] fixed wmi.getall[] error reporting in case of failed error retrieval and removed redundant initialization
  .D........ [ZBX-19001] added ChangeLog entry
  ...G...... [ZBX-19001] fixed wmi.getall[] to report invalid queries
  ...G...... [ZBX-19001] fixed wmi.getall[] to report invalid queries

(cherry picked from commit 98a783cbd6101bc06c67439d3389853aeed04abe)