[NETFILTER]: nf_queue: move queueing related functions/struct to seperate header

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/netfilter.c b/net/ipv6/netfilter.c
index 281f732..55ea9c6 100644
--- a/net/ipv6/netfilter.c
+++ b/net/ipv6/netfilter.c
@@ -8,6 +8,7 @@
 #include <net/ip6_route.h>
 #include <net/xfrm.h>
 #include <net/ip6_checksum.h>
+#include <net/netfilter/nf_queue.h>
 
 int ip6_route_me_harder(struct sk_buff *skb)
 {