Conform to the dns_dnssec_verify api change and fix an nxt processing crash
Conform to the dns_dnssec_verify api change and fix an nxt processing crash

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