[NETLINK]: Kill bogus NLMSG_SET_MULTIPART uses.

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 0841ac7..d1f8f78 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -1589,9 +1589,9 @@
 	struct ndtmsg *ndtmsg;
 
 	nlh = NLMSG_PUT_ANSWER(skb, cb, RTM_NEWNEIGHTBL, sizeof(struct ndtmsg));
-	ndtmsg = NLMSG_DATA(nlh);
+	nlh->nlmsg_flags |= NLM_F_MULTI;
 
-	NLMSG_SET_MULTIPART(nlh);
+	ndtmsg = NLMSG_DATA(nlh);
 
 	read_lock_bh(&tbl->lock);
 	ndtmsg->ndtm_family = tbl->family;
@@ -1674,9 +1674,9 @@
 	struct nlmsghdr *nlh;
 
 	nlh = NLMSG_PUT_ANSWER(skb, cb, RTM_NEWNEIGHTBL, sizeof(struct ndtmsg));
-	ndtmsg = NLMSG_DATA(nlh);
+	nlh->nlmsg_flags |= NLM_F_MULTI;
 
-	NLMSG_SET_MULTIPART(nlh);
+	ndtmsg = NLMSG_DATA(nlh);
 
 	read_lock_bh(&tbl->lock);
 	ndtmsg->ndtm_family = tbl->family;