log a different notification message when the tcp check times out.

also adjust the documentation a little bit to decrease confusion about
the check timeout.
From pyr@
ok deraadt@

src/etc/relayd.conf

@@ -1,4 +1,4 @@
-# $OpenBSD: relayd.conf,v 1.12 2007/12/08 17:15:01 reyk Exp $
+# $OpenBSD: relayd.conf,v 1.13 2008/03/03 16:58:41 reyk Exp $
 #
 # Macros
 #
@@ -11,7 +11,7 @@ sshhost1="10.0.0.3"
 # Global Options
 #
 # interval 10
-# timeout 200
+# timeout 1000
 # prefork 5
 
 #