Only store checksums for:

/var/nsd/etc/nsd.conf (may contain a key)
/var/unbound/db/root.key (fix path as well)
from Tim van der Molen
ok millert@ sthen@

src/etc/changelist

@@ -1,4 +1,4 @@
-#	$OpenBSD: changelist,v 1.104 2015/07/03 22:05:53 millert Exp $
+#	$OpenBSD: changelist,v 1.105 2015/07/07 13:19:06 ajacoutot Exp $
 #
 # List of files which the security script backs up and checks
 # for modifications.
@@ -144,8 +144,8 @@
 /var/cron/cron.allow
 /var/cron/cron.deny
 /var/cron/tabs/root
-/var/nsd/etc/nsd.conf
-/var/unbound/etc/root.key
++/var/nsd/etc/nsd.conf
++/var/unbound/db/root.key
 /var/unbound/etc/unbound.conf
 /var/yp/Makefile.main
 /var/yp/Makefile.yp