[NETFILTER]: Make nf_ct_ipv6_skip_exthdr() static.

nf_ct_ipv6_skip_exthdr() can now become static.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/netfilter/ipv6/nf_conntrack_ipv6.h

diff --git a/include/net/netfilter/ipv6/nf_conntrack_ipv6.h b/include/net/netfilter/ipv6/nf_conntrack_ipv6.h
index 5a89659..070d12c 100644
--- a/include/net/netfilter/ipv6/nf_conntrack_ipv6.h
+++ b/include/net/netfilter/ipv6/nf_conntrack_ipv6.h
@@ -7,9 +7,6 @@
 extern struct nf_conntrack_l4proto nf_conntrack_l4proto_udp6;
 extern struct nf_conntrack_l4proto nf_conntrack_l4proto_icmpv6;
 
-extern int nf_ct_ipv6_skip_exthdr(const struct sk_buff *skb, int start,
-				  u8 *nexthdrp, int len);
-
 extern int nf_ct_frag6_init(void);
 extern void nf_ct_frag6_cleanup(void);
 extern struct sk_buff *nf_ct_frag6_gather(struct sk_buff *skb);

net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c

diff --git a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
index 36df221..3153e15 100644
--- a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
+++ b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
@@ -86,8 +86,8 @@
  *        - Note also special handling of AUTH header. Thanks to IPsec wizards.
  */
 
-int nf_ct_ipv6_skip_exthdr(const struct sk_buff *skb, int start, u8 *nexthdrp,
-			   int len)
+static int nf_ct_ipv6_skip_exthdr(const struct sk_buff *skb, int start,
+				  u8 *nexthdrp, int len)
 {
 	u8 nexthdr = *nexthdrp;