Signed programmes not downloading

[Rob Dixon]

I have noticed recently that signed television programmes are breaking
get_iplayer. An interim fix that seems to work (there may be a better
indicator than the one I have chosen) is to add the line

   $url .= '/sign' if $prog->{channel} and $prog->{channel} eq 'Signed';

after line 4939 in the 2.80 release of get_iplayer.pl which reads

   $url .= '/ad' if defined $opt->{versionlist} && $opt->{versionlist} 
ne 'default';

Rob