[INET]: Move the TCP hashtable functions/structs to inet_hashtables.[ch]

Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/inet_common.h b/include/net/inet_common.h
index 1fbd94d..f943306 100644
--- a/include/net/inet_common.h
+++ b/include/net/inet_common.h
@@ -8,6 +8,11 @@
  *	INET4 prototypes used by INET6
  */
 
+struct msghdr;
+struct sock;
+struct sockaddr;
+struct socket;
+
 extern void			inet_remove_sock(struct sock *sk1);
 extern void			inet_put_sock(unsigned short num, 
 					      struct sock *sk);