Generalize netfilter/queue to allow sending batched verdicts
later.

Signed-off-by: Holger Eitzenberger <holger@eitzenberger.org>

Index: libnl-nfqueue/lib/netfilter/queue_msg.c
===================================================================
--- libnl-nfqueue.orig/lib/netfilter/queue_msg.c
+++ libnl-nfqueue/lib/netfilter/queue_msg.c
@@ -163,12 +163,14 @@ errout:
 
 /** @} */
 
-struct nl_msg *nfnl_queue_msg_build_verdict(const struct nfnl_queue_msg *msg)
+static struct nl_msg *
+__nfnl_queue_msg_build_verdict(const struct nfnl_queue_msg *msg,
+							   uint8_t type)
 {
 	struct nl_msg *nlmsg;
 	struct nfqnl_msg_verdict_hdr verdict;
 
-	nlmsg = nfnlmsg_alloc_simple(NFNL_SUBSYS_QUEUE, NFQNL_MSG_VERDICT, 0,
+	nlmsg = nfnlmsg_alloc_simple(NFNL_SUBSYS_QUEUE, type, 0,
 				     nfnl_queue_msg_get_family(msg),
 				     nfnl_queue_msg_get_group(msg));
 	if (nlmsg == NULL)
@@ -191,6 +193,12 @@ nla_put_failure:
 	return NULL;
 }
 
+struct nl_msg *
+nfnl_queue_msg_build_verdict(const struct nfnl_queue_msg *msg)
+{
+	return __nfnl_queue_msg_build_verdict(msg, NFQNL_MSG_VERDICT);
+}
+
 /**
 * Send a message verdict/mark
 * @arg nlh            netlink messsage header