Restructure default value code in set_limit to eliminate compiler warning. (The previous code worked, but the compiler couldn't figure out that value was always defined because of the INSIST().)
Restructure default value code in set_limit to eliminate compiler warning.
(The previous code worked, but the compiler couldn't figure out that
value was always defined because of the INSIST().)

heartbeat_interval was being used without being initialized.

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