[dovecot/pigeonhole] ff56aa: Updated dovecot.m4.

[GitHub]

  Branch: refs/heads/master-0.4
  Home:   https://github.com/dovecot/pigeonhole
  Commit: ff56aa3353c5f2c0cd5d675889998bc8976d320a
      https://github.com/dovecot/pigeonhole/commit/ff56aa3353c5f2c0cd5d675889998bc8976d320a
  Author: Stephan Bosch <stephan.bosch at dovecot.fi>
  Date:   2016-10-19 (Wed, 19 Oct 2016)

  Changed paths:
    M m4/dovecot.m4

  Log Message:
  -----------
  Updated dovecot.m4.