iptables: nft: use 64-bits handle

Now that we use that in kernel space and in libnftables.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
diff --git a/iptables/nft.c b/iptables/nft.c
index 123a479..8e2b5ac 100644
--- a/iptables/nft.c
+++ b/iptables/nft.c
@@ -649,7 +649,7 @@
 int
 nft_rule_add(struct nft_handle *h, const char *chain, const char *table,
 	     struct iptables_command_state *cs,
-	     bool append, uint16_t handle, bool verbose)
+	     bool append, uint64_t handle, bool verbose)
 {
 	char buf[MNL_SOCKET_BUFFER_SIZE];
 	struct nlmsghdr *nlh;
@@ -2409,11 +2409,12 @@
 
 	r = nft_rule_find(list, chain, table, cs, rulenum);
 	if (r != NULL) {
-		DEBUGP("replacing rule with handle=%u\n",
-			nft_rule_attr_get_u16(r, NFT_RULE_ATTR_HANDLE));
+		DEBUGP("replacing rule with handle=%llu\n",
+			(unsigned long long)
+			nft_rule_attr_get_u64(r, NFT_RULE_ATTR_HANDLE));
 
 		ret = nft_rule_add(h, chain, table, cs, true,
-				   nft_rule_attr_get_u16(r, NFT_RULE_ATTR_HANDLE),
+				   nft_rule_attr_get_u64(r, NFT_RULE_ATTR_HANDLE),
 				   verbose);
 	} else
 		errno = ENOENT;
diff --git a/iptables/nft.h b/iptables/nft.h
index 474e652..aa458f8 100644
--- a/iptables/nft.h
+++ b/iptables/nft.h
@@ -39,7 +39,7 @@
  */
 struct nft_rule;
 
-int nft_rule_add(struct nft_handle *h, const char *chain, const char *table, struct iptables_command_state *cmd, bool append, uint16_t handle, bool verbose);
+int nft_rule_add(struct nft_handle *h, const char *chain, const char *table, struct iptables_command_state *cmd, bool append, uint64_t handle, bool verbose);
 int nft_rule_check(struct nft_handle *h, const char *chain, const char *table, struct iptables_command_state *cmd, bool verbose);
 int nft_rule_delete(struct nft_handle *h, const char *chain, const char *table, struct iptables_command_state *cmd, bool verbose);
 int nft_rule_delete_num(struct nft_handle *h, const char *chain, const char *table, int rulenum, bool verbose);