[NETFILTER]: ip6_tables: remove redundant structure definitions

Move ip6t_standard/ip6t_error_target/ip6t_error definitions to ip6_tables.h
instead of defining them in each table individually.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/netfilter_ipv6/ip6_tables.h b/include/linux/netfilter_ipv6/ip6_tables.h
index e37698c..61aa104 100644
--- a/include/linux/netfilter_ipv6/ip6_tables.h
+++ b/include/linux/netfilter_ipv6/ip6_tables.h
@@ -104,6 +104,25 @@
 	unsigned char elems[0];
 };
 
+/* Standard entry */
+struct ip6t_standard
+{
+	struct ip6t_entry entry;
+	struct ip6t_standard_target target;
+};
+
+struct ip6t_error_target
+{
+	struct ip6t_entry_target target;
+	char errorname[IP6T_FUNCTION_MAXNAMELEN];
+};
+
+struct ip6t_error
+{
+	struct ip6t_entry entry;
+	struct ip6t_error_target target;
+};
+
 /*
  * New IP firewall options for [gs]etsockopt at the RAW IP level.
  * Unlike BSD Linux inherits IP options so you don't have to use