[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, 5 insertions, 6 deletions

diff --git a/net/socket.c b/net/socket.c
index 5f76ab8a159..ce69b7862f5 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -70,6 +70,8 @@
 #include <linux/seq_file.h>
 #include <linux/wanrouter.h>
 #include <linux/if_bridge.h>
+#include <linux/if_frad.h>
+#include <linux/if_vlan.h>
 #include <linux/init.h>
 #include <linux/poll.h>
 #include <linux/cache.h>
@@ -724,8 +726,8 @@ static ssize_t sock_aio_write(struct kiocb *iocb, const char __user *ubuf,
         return __sock_sendmsg(iocb, sock, &x->async_msg, size);
 }
 
-ssize_t sock_sendpage(struct file *file, struct page *page,
-                      int offset, size_t size, loff_t *ppos, int more)
+static ssize_t sock_sendpage(struct file *file, struct page *page,
+                             int offset, size_t size, loff_t *ppos, int more)
 {
         struct socket *sock;
         int flags;
@@ -948,7 +950,7 @@ static int sock_mmap(struct file * file, struct vm_area_struct * vma)
         return sock->ops->mmap(file, sock, vma);
 }
 
-int sock_close(struct inode *inode, struct file *filp)
+static int sock_close(struct inode *inode, struct file *filp)
 {
         /*
          *      It was possible the inode is NULL we were 
@@ -2027,9 +2029,6 @@ int sock_unregister(int family)
         return 0;
 }
 
-
-extern void sk_init(void);
-
 void __init sock_init(void)
 {
         /*