[Dovecot] postfix2-antispam segfault

[Nikolay Amiantov]

Hello,
I've got a segfault with postfix2-antispam.
Versions:
Linux: Arch Linux x86_64
Dovecot: 2.2.11
Antispam: latest hg (revision 51)

Antispam configuration:
  antispam_backend = dspam
  antispam_allow_append_to_spam = YES
  antispam_spam = Spam;Junk
  antispam_trash = trash;Trash
  antispam_signature = X-DSPAM-Signature
  antispam_signature_missing = error
  antispam_dspam_binary = /usr/bin/dspamc
  antispam_dspam_args =
--user;%Ln;--deliver=spam,innocent;--source=error;--signature=%%s
  antispam_dspam_spam = --class=spam
  antispam_dspam_notspam = --class=innocent
  antispam_dspam_result_header = X-DSPAM-Result
  mail_plugins = antispam fts fts_lucene

GDB log with lmtp commands: http://bpaste.net/show/s2Ol7YyQH0a72QpyK9YN/

Bug is easily reproducible, ask my if you need additional information.
Thanks for your hard work on the dovecot,
Nikolay.