[NETFILTER]: Extend nf_inet_addr with in{,6}_addr

Extend union nf_inet_addr with struct in_addr and in6_addr. Useful
because a lot of in-kernel IPv4 and IPv6 functions use
in_addr/in6_addr.

Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/linux/netfilter.h

@@ -7,6 +7,8 @@
 #include <linux/skbuff.h>
 #include <linux/net.h>
 #include <linux/if.h>
+#include <linux/in.h>
+#include <linux/in6.h>
 #include <linux/wait.h>
 #include <linux/list.h>
 #endif
@@ -52,6 +54,8 @@ union nf_inet_addr {
 	u_int32_t	all[4];
 	__be32		ip;
 	__be32		ip6[4];
+	struct in_addr	in;
+	struct in6_addr	in6;
 };
 
 #ifdef __KERNEL__