[IPV6]: make two functions static

This patch makes two needlessly global functions static.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 25757ad..3620718 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -628,8 +628,8 @@
 	return -EINVAL;
 }
 
-int ipv6_getsockopt_sticky(struct sock *sk, struct ipv6_opt_hdr *hdr,
-			   char __user *optval, int len)
+static int ipv6_getsockopt_sticky(struct sock *sk, struct ipv6_opt_hdr *hdr,
+				  char __user *optval, int len)
 {
 	if (!hdr)
 		return 0;