fix all compile warnings within iptables extensions (fabrice)
diff --git a/extensions/libipt_recent.c b/extensions/libipt_recent.c
index 5b48cd3..cda0f32 100644
--- a/extensions/libipt_recent.c
+++ b/extensions/libipt_recent.c
@@ -23,7 +23,7 @@
" the last 'seconds' seconds.\n"
" --hitcount hits For check and update commands above.\n"
" Specifies that the match will only occur if source address seen hits times.\n"
-" May be used in conjunction with the seconds option.\n",
+" May be used in conjunction with the seconds option.\n"
" --rttl For check and update commands above.\n"
" Specifies that the match will only occur if the source address and the TTL\n"
" match between this packet and the one which was set.\n"