netfilter: auto-load ip_queue module when socket opened

The ip_queue module is missing the net-pf-16-proto-3 alias that would
causae it to be auto-loaded when a socket of that type is opened.  This
patch adds the alias.
Signed-off-by: NScott James Remnant <scott@canonical.com>
Signed-off-by: NTim Gardner <tim.gardner@canonical.com>
Signed-off-by: NPatrick McHardy <kaber@trash.net>

net/ipv4/netfilter/ip_queue.c

@@ -24,6 +24,7 @@
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 #include <linux/security.h>
+#include <linux/net.h>
 #include <linux/mutex.h>
 #include <net/net_namespace.h>
 #include <net/sock.h>
@@ -640,6 +641,7 @@ static void __exit ip_queue_fini(void)
 MODULE_DESCRIPTION("IPv4 packet queue handler");
 MODULE_AUTHOR("James Morris <jmorris@intercode.com.au>");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS_NET_PF_PROTO(PF_NETLINK, NETLINK_FIREWALL);
 
 module_init(ip_queue_init);
 module_exit(ip_queue_fini);