[horde] OT: update from https://pear.horde.org via proxy

[A. Schulze]

Corinne Le Moan:

> Le 13/06/2016 à 14:56, Jan Schneider a écrit :
>> Did you try
>> $ pear channel-update horde
> yes, unfortunately :
>
> pear channel-update horde
> Updating channel "horde"
> Channel "horde" is not responding over http://, failed with message:  
> File https://pear.horde.org:443/channel.xml not valid (received:  
> HTTP/1.1 501 Not Implemented
> )
> Trying channel "horde" over https:// instead
> Cannot retrieve channel.xml for channel "pear.horde.org" (File  
> https://pear.horde.org:443/channel.xml not valid (received: HTTP/1.1  
> 501 Not Implemented
> ))

same here ...