When checking for notifies in the queue first check to see if a request has been sent.
When checking for notifies in the queue first check to see if a request has
been sent.

Check DNS_ZONE_F_NEEDREFRESH when we have got to the last master in
refresh_callback.

each/bind9-collab,each/bind9-collab,pecharmin/bind9,pecharmin/bind9,pecharmin/bind9,pecharmin/bind9,pecharmin/bind9,each/bind9-collab,pecharmin/bind9,each/bind9-collab,each/bind9-collab,each/bind9-collab