[Dovecot] Another 2.0.alpha2 panic

[Mike Abbott]

>> Fri Oct 30 21:08:16 server dovecot[27407]: lda(pid 27407 user  
>> userW): Panic: file istream.c: line 104 (i_stream_read): assertion  
>> failed: ((size_t)ret+old_size == _stream->pos - _stream->skip)
>
> i.e. was the input stream seekable?

Postfix's pipe process invoked dovecot-lda so no, the input stream was  
not seekable.

I'll try your patches.  Thanks.