Zabbix

....I..... [ZBX-20570] fixed --with-libevent option on FreeBSD

* commit 'b2da8f731ba20eb5f42e1fde4bc40c774f735369':
  .D........ [ZBX-20570] fixed changelog entry
  ...G...PS. [ZBX-20570] fixed typo
  ...G...PS. [ZBX-20570] improved option check
  ...G...PS. [ZBX-20570] fixed --with-libevent option on FreeBSD

(cherry picked from commit 1faa692bf91833c125aacf778289ff0b02c5353b)
(cherry picked from commit 7dfacee981a932b02d19d12b8353d9fd821291c4)