Zabbix

...G...... [DEV-1435] added net.tcp.listen metric support to agent2 on windows

* commit 'fc4831c3e48e3fe5ad0398536b814cabe8df49b3':
  .......... [DEV-1435] fixed broken merge
  .......... [DEV-1435] fixed merge
  .......... [DEV-1435] improve C array to Go slice casts by making array size dependable on array item size and system architecture
  .......... [DEV-1435]  fixed port check, renamed metric to correct name
  .......... [DEV-1435] fixed linux build
  .......... [DEV-1435] added net.tcp.listen metric support