Jostle logic seems to randomly stop working

[Dmitri Kourennyi]

> There is a fix slated for the next release, which is as a patch below.
> I think this will solve those non-jostle list too full errors.  It
> decrements the num_reply_states counter and thus the incoming queries
> won't get dropped any more because that counter became too big.

Thank you for the patch. I've applied it to my router, will monitor it
for a few days to see how it works out.

-Dmitri