In SOCKS5 dynamic forwarding, we were echoing back DST.{ADDR,PORT} as

In SOCKS5 dynamic forwarding, we were echoing back DST.{ADDR,PORT} as
BND.{ADDR,PORT}. Besides being clearly wrong, correspondence with
Sascha Schwarz suggests that this can confuse some SOCKS5 clients
(Aventail and sockscap32) which seem to assume that the reply must
have ATYP=1 (IPv4 literal) and so get the length wrong.

Now all replies have ATYP=1 with BND.{ADDR,PORT} = 0.0.0.0:0 -- this
apparently follows practice in OpenSSH. (We don't have enough info to
fill these fields in correctly.)

git-svn-id: svn://svn.tartarus.org/sgt/putty@3496 cda61777-01e9-0310-a592-d414129be87e