add rtlabel to external-tag example

src/etc/ospfd.conf

@@ -1,4 +1,4 @@
-# $OpenBSD: ospfd.conf,v 1.3 2007/03/21 11:04:24 norby Exp $
+# $OpenBSD: ospfd.conf,v 1.4 2007/06/19 16:49:56 reyk Exp $
 
 # macros
 password="secret"
@@ -19,6 +19,8 @@ password="secret"
 # router-priority 1
 # transmit-delay 1
 
+# rtlabel "DMZ" external-tag 1
+
 # areas
 area 0.0.0.5 {
 	interface em0 {