[Libssh] Server socket blocking

[Matt Lawson]

Howdy,

I've stumbled across a possible bug with the 'server'
type sockets.  ssh_bind_set_blocking (in server.c)
will set a flag variable, but it doesn't actually
apply the F_SETFL to the ssh_bind->bindfd file
descriptor as I would have expected.  The result is
that ssh_bind_accept() will always behave blocking (as
far as I can tell).

Now normally I wouldn't call the ssh_bind_accept()
until I had a select() indication that something was
there; in this case I stumbled on it by accident (bug
in my application).  But, if it were to be called
accidentally I wouldn't want it to block.

- matt



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