add rad.conf; from semarie; tweak & OK tb

src/etc/changelist

@@ -1,4 +1,4 @@
-#	$OpenBSD: changelist,v 1.120 2018/04/29 11:17:02 schwarze Exp $
+#	$OpenBSD: changelist,v 1.121 2018/07/13 06:56:59 florian Exp $
 #
 # List of files which the security script backs up and checks
 # for modifications.
@@ -93,6 +93,7 @@
 /etc/profile
 /etc/protocols
 +/etc/pwd.db
+/etc/rad.conf
 +/etc/radiusd.conf
 /etc/rbootd.conf
 /etc/rc