[dovecot/pigeonhole] 321a39: plugins: sieve-extprograms: Fix segfault occurring...

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/dovecot/pigeonhole
  Commit: 321a39be974deb2e7eff7b2a509a3ee6ff2e5ae1
      https://github.com/dovecot/pigeonhole/commit/321a39be974deb2e7eff7b2a509a3ee6ff2e5ae1
  Author: Stephan Bosch <stephan.bosch at dovecot.fi>
  Date:   2017-12-25 (Mon, 25 Dec 2017)

  Changed paths:
    M src/plugins/sieve-extprograms/sieve-extprograms-common.c

  Log Message:
  -----------
  plugins: sieve-extprograms: Fix segfault occurring when used in IMAPSieve context.

This was caused by recent lib-smtp changes.
There is no envelope in IMAPSieve context, so the rcpt parameters are NULL, causing the segfault.