reminder to set net.inet.ip.forwarding/net.inet6.ip6.forwarding in sysctl.conf

ok cedric@ mcbride@

src/etc/pf.conf

@@ -1,6 +1,8 @@
-#	$OpenBSD: pf.conf,v 1.27 2004/03/02 20:13:55 cedric Exp $
+#	$OpenBSD: pf.conf,v 1.28 2004/04/29 21:03:09 frantzen Exp $
 #
 # See pf.conf(5) and /usr/share/pf for syntax and examples.
+# Remember to set net.inet.ip.forwarding=1 and/or net.inet6.ip6.forwarding=1
+# in /etc/sysctl.conf if packets are to be forwarded between interfaces.
 
 #ext_if="ext0"
 #int_if="int0"