[NETFILTER] ip_nat_initialized takes wrong parameter

ip_nat_initialized() takes enum ip_nat_manip_type as it's second
argument, not a hook number.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

Index: netfilter-2.6.14.git/net/ipv4/netfilter/ip_conntrack_netlink.c
===================================================================
--- netfilter-2.6.14.git.orig/net/ipv4/netfilter/ip_conntrack_netlink.c	2005-12-01 14:15:09.000000000 +0100
+++ netfilter-2.6.14.git/net/ipv4/netfilter/ip_conntrack_netlink.c	2005-12-01 14:16:44.000000000 +0100
@@ -876,7 +876,7 @@ ctnetlink_change_status(struct ip_conntr
 		DEBUGP("NAT status: %lu\n", 
 		       status & (IPS_NAT_MASK | IPS_NAT_DONE_MASK));
 		
-		if (ip_nat_initialized(ct, hooknum))
+		if (ip_nat_initialized(ct, HOOK2MANIP(hooknum)))
 			return -EEXIST;
 		ip_nat_setup_info(ct, &range, hooknum);