[ingo] No vacation messages sent with procmail

[Chuck Hagenbuch]

Quoting Volker Then <horde32 at volkerthen.com>:

> I think, you should correct line 454 of lib/Script/procmail.php from
>
> . 'if [ $DATE'
>
> to
>
> . 'if [ $DATE '

Looks right. Committed and merged, thanks.

-chuck