libevent/libevent — pull request #117 by azat (2014-03-21 13:51:48+00:00)
Title: edns: disable probing with EVDNS_BASE_DISABLE_WHEN_INACTIVE

When user install EVDNS_BASE_DISABLE_WHEN_INACTIVE flag for evdns base,
we must remove the timer that is used for probing, if current dns server
failed, otherwise it won't break the loop.