[NETFILTER]: Switch to using ctl_paths in nf_queue and conntrack modules

This includes the most simple cases for netfilter.

The first part is tne queue modules for ipv4 and ipv6,
on which the net/ipv4/ and net/ipv6/ paths are reused
from the appropriate ipv4 and ipv6 code.

The conntrack module is also patched, but this hunk is
very small and simple.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Acked-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index a5a9f8e3..45536a9 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -846,17 +846,18 @@
 	{ .ctl_name = 0 }
 };
 
-static __initdata struct ctl_path net_ipv4_path[] = {
+struct ctl_path net_ipv4_ctl_path[] = {
 	{ .procname = "net", .ctl_name = CTL_NET, },
 	{ .procname = "ipv4", .ctl_name = NET_IPV4, },
 	{ },
 };
+EXPORT_SYMBOL_GPL(net_ipv4_ctl_path);
 
 static __init int sysctl_ipv4_init(void)
 {
 	struct ctl_table_header *hdr;
 
-	hdr = register_sysctl_paths(net_ipv4_path, ipv4_table);
+	hdr = register_sysctl_paths(net_ipv4_ctl_path, ipv4_table);
 	return hdr == NULL ? -ENOMEM : 0;
 }