[UDP]: Move seq_ops from udp_iter_state to udp_seq_afinfo.

No need to create seq_operations for each instance of 'netstat'.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/udp.h b/include/net/udp.h
index 77af7d4..0079d17 100644
--- a/include/net/udp.h
+++ b/include/net/udp.h
@@ -189,8 +189,8 @@
 	char			*name;
 	sa_family_t		family;
 	struct hlist_head	*hashtable;
-	int 			(*seq_show) (struct seq_file *m, void *v);
 	struct file_operations	*seq_fops;
+	struct seq_operations	seq_ops;
 };
 
 struct udp_iter_state {
@@ -198,7 +198,6 @@
 	sa_family_t		family;
 	struct hlist_head	*hashtable;
 	int			bucket;
-	struct seq_operations	seq_ops;
 };
 
 #ifdef CONFIG_PROC_FS