[libnftnl PATCH] examples: nft-rule-parse-add: fix wrong buffer usage when building rule header

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The libmnl helper returns a pointer where to start putting the rule data.

CC: Ian Bishop <ian@xxxxxxxxx>
Closes: http://bugzilla.netfilter.org/show_bug.cgi?id=983
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@xxxxxxxxx>
---
 examples/nft-rule-parse-add.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/examples/nft-rule-parse-add.c b/examples/nft-rule-parse-add.c
index 4160435..75f5268 100644
--- a/examples/nft-rule-parse-add.c
+++ b/examples/nft-rule-parse-add.c
@@ -122,7 +122,8 @@ int main(int argc, char *argv[])
 
 	rule_seq = seq;
 	family = nft_rule_attr_get_u32(r, NFT_RULE_ATTR_FAMILY);
-	nlh = nft_rule_nlmsg_build_hdr(buf, NFT_MSG_NEWRULE, family,
+	nlh = nft_rule_nlmsg_build_hdr(mnl_nlmsg_batch_current(batch),
+				       NFT_MSG_NEWRULE, family,
 				       NLM_F_CREATE|NLM_F_APPEND|NLM_F_ACK,
 				       seq++);
 	nft_rule_nlmsg_build_payload(nlh, r);

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