added an INSIST(), making use of the new isc_buffer_availablelength() macro
added an INSIST(), making use of the new isc_buffer_availablelength()
macro

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