A minor optimation to the rbt hash code that should reduce the number of calls to dns_name_fullcompare().
A minor optimation to the rbt hash code that should reduce the number
of calls to dns_name_fullcompare().

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