[horde] upgrade to latest horde 4 failed

[Martin Hochreiter]

> What's the *exact* error message? And *where* do you get it?
>
> Jan.
>
Here you go:
*
"Fatal error*: require() [function.require 
<https://www.rk-lilienfeld.at/mail/function.require>]: Failed opening 
required 'data.inc.php' 
(include_path='/usr/share/php/www/lib:.:/srv/www/inc:/usr/share/php:/usr/share/php/www:/srv/www/htdocs/mail/') 
in *??9
* on line *31*"

(The unreadable characters are not an error of your mailclient ... thats 
copied from the browser)

URL:

https://www.xxx.tld/mail/login.php