iptables: libxt_recent.{c,man} dead URL

Remove it.

Signed-off-by: Laurence J. Lane <ljlane@debian.org>
Signed-off-by: Florian Westphal <fw@strlen.de>
diff --git a/extensions/libxt_recent.c b/extensions/libxt_recent.c
index b3510d9..e1801f1 100644
--- a/extensions/libxt_recent.c
+++ b/extensions/libxt_recent.c
@@ -104,7 +104,7 @@
 "    --rsource                   Match/Save the source address of each packet in the recent list table (default).\n"
 "    --rdest                     Match/Save the destination address of each packet in the recent list table.\n"
 "    --mask netmask              Netmask that will be applied to this recent list.\n"
-"xt_recent by: Stephen Frost <sfrost@snowman.net>.  http://snowman.net/projects/ipt_recent/\n");
+"xt_recent by: Stephen Frost <sfrost@snowman.net>.\n");
 }
 
 enum {