update copyright notice

bin/tests/system/redirect/ns2/redirect.db.in

-; Copyright (C) 2013  Internet Systems Consortium, Inc. ("ISC")
+; Copyright (C) 2011.2013  Internet Systems Consortium, Inc. ("ISC")
 ;
 ; Permission to use, copy, modify, and/or distribute this software for any
 ; purpose with or without fee is hereby granted, provided that the above
@@ -12,6 +12,8 @@
 ; OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 ; PERFORMANCE OF THIS SOFTWARE.
 
+; $Id$
+
 $TTL 300
 @ IN SOA ns.example.net hostmaster.example.net 0 0 0 0 0
 @ IN NS ns.example.net