[NET]: Fix sparse warnings

Of this type, mostly:

CHECK   net/ipv6/netfilter.c
net/ipv6/netfilter.c:96:12: warning: symbol 'ipv6_netfilter_init' was not declared. Should it be static?
net/ipv6/netfilter.c:101:6: warning: symbol 'ipv6_netfilter_fini' was not declared. Should it be static?

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 0 insertions, 2 deletions

diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index ddb1aedbdc6..aca088b3707 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -614,7 +614,6 @@ int ip_setsockopt(struct sock *sk, int level, int optname, char __user *optval,
                 }
                 case IP_MSFILTER:
                 {
-                        extern int sysctl_optmem_max;
                         extern int sysctl_igmp_max_msf;
                         struct ip_msfilter *msf;
 
@@ -769,7 +768,6 @@ int ip_setsockopt(struct sock *sk, int level, int optname, char __user *optval,
                 }
                 case MCAST_MSFILTER:
                 {
-                        extern int sysctl_optmem_max;
                         extern int sysctl_igmp_max_msf;
                         struct sockaddr_in *psin;
                         struct ip_msfilter *msf = NULL;