pigeonhole 0.4.22 with sieve_before script crashes

[Stephan Bosch]

Op 3/3/2018 om 6:17 PM schreef Jan:
>>>> We're looking into it.
>>> Right, this is not reproducible in the test suite, but I can reproduce
>>> it when I replicate your setup.
>>
>> I created a special test suite that reproduces the problem reliably.
>> This occurs when Sieve editheader, Sieve redirect and LMTP are combined.
>>
>> Now to fix it...
>
> Hello Stephan!
>
> Thank you for your quick reply and the informations.
> If a fix is available, I will test it.

There is a fix. Pending internal review, I will submit it here.

Regards,

Stephan.