[RT #231] dns_db_nodecount() could be invoked with a NULL argument. Also moved the database size logging to the same place as the database size checking.
[RT #231] dns_db_nodecount() could be invoked with a NULL argument.
Also moved the database size logging to the same place as the database
size checking.

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