libxt_NFQUEUE: fix bypass option documentation

Steve Caligo points out that the documentation says
'packet will move on to the next rule'.  This is incorrect;
packet moves to the next table.

nf bugzilla #778.

Signed-off-by: Florian Westphal <fw@strlen.de>
diff --git a/extensions/libxt_NFQUEUE.man b/extensions/libxt_NFQUEUE.man
index 910e386..f11e0c8 100644
--- a/extensions/libxt_NFQUEUE.man
+++ b/extensions/libxt_NFQUEUE.man
@@ -21,5 +21,5 @@
 .TP
 \fB\-\-queue\-bypass\fP
 By default, if no userspace program is listening on an NFQUEUE, then all packets that are to be queued
-are dropped.  When this option is used, the NFQUEUE rule is silently bypassed instead. The packet
-will move on to the next rule.
+are dropped.  When this option is used, the NFQUEUE rule behaves like ACCEPT instead, and the packet
+will move on to the next table.