dnssafersa_verify() was failing because it used isc_buffer_used() where it needed isc_buffer_base().
dnssafersa_verify() was failing because it used isc_buffer_used() where it
needed isc_buffer_base().

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