libxt_recent: restore reap functionality to recent module

The reap functionality appears to have been accidentally disabled
by (74ded72 libxt_recent: add --mask netmask) since iptables 1.4.15
and later.  This adds a patch to restore reap functionality for
recent_opts_v1.

Patch obtained via: http://patchwork.openwrt.org/patch/3812/

Signed-off-by: Russell Senior <russell@personaltelco.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
diff --git a/extensions/libxt_recent.c b/extensions/libxt_recent.c
index f4ebe6a..42c866c 100644
--- a/extensions/libxt_recent.c
+++ b/extensions/libxt_recent.c
@@ -63,6 +63,8 @@
 	 .excl = F_ANY_OP, .flags = XTOPT_INVERT},
 	{.name = "seconds", .id = O_SECONDS, .type = XTTYPE_UINT32,
 	 .flags = XTOPT_PUT, XTOPT_POINTER(s, seconds)},
+	{.name = "reap", .id = O_REAP, .type = XTTYPE_NONE,
+	 .also = F_SECONDS },
 	{.name = "hitcount", .id = O_HITCOUNT, .type = XTTYPE_UINT32,
 	 .flags = XTOPT_PUT, XTOPT_POINTER(s, hit_count)},
 	{.name = "rttl", .id = O_RTTL, .type = XTTYPE_NONE,