[horde] bugs.horde.org down

[Oscar del Rio]

In case it has not been noticed, bugs.horde.org is down (at least since 
yesterday).

> A fatal error has occurred
> Could not instantiate PDO with DSN 
> "mysql:protocol=unix;unix_socket=/var/run/mysqld/mysqld.sock;dbname=horde". 
> PDOException: SQLSTATE[HY000] [2002] Can't connect to local MySQL 
> server through socket '/var/run/mysqld/mysqld.sock' (2)
> Details have been logged for the administrator.