dbiterator_pause (dns_dbiterator_pause) can now pause a interator after hitting end of chain.  If we have a node increase its reference count and set paused flag.
dbiterator_pause (dns_dbiterator_pause) can now pause a interator after
hitting end of chain.  If we have a node increase its reference count
and set paused flag.

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