libevent/libevent — pull request #86 by KuldeepGupta04 (2013-12-06 11:25:48+00:00)
Title: bug fix for issues #293 evdns_base_load_hosts doesn't remove outdated ad...

...resses

As mentioned at https://sourceforge.net/p/levent/bugs/293/
created a small function "evdns_base_flush_outdated_host_addresses" which removes all the previous requests of hosts , if user wants to clean up the list of hosts can call and use this function.
Requires function declaration to be added in include/event2/dns.h
Adding it in another patch for the same bug.