[En-Nut-Discussion] UdpGetError() is only conditionally defined

[Ole Reinhardt]

Hi Philipp and Harald,

> As far as I remember, this feature had been implemented by Ole. May be
> we should let him have a look first. I'll forward this post to his
> private email in case he overlooked it. Please be patient, Ole is a busy
> guy.

Indeed I implemented this... quite some time ago. Let me have a look,
I'll explain it in a sperate mail.

Bye,

Ole