[dovecot/core] 05546c: mail-crypt: Treat empty values correctly

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/dovecot/core
  Commit: 05546ccd35d68867beb3d24d1ddce3816d330a2c
      https://github.com/dovecot/core/commit/05546ccd35d68867beb3d24d1ddce3816d330a2c
  Author: Aki Tuomi <aki.tuomi at dovecot.fi>
  Date:   2016-12-14 (Wed, 14 Dec 2016)

  Changed paths:
    M src/plugins/mail-crypt/mail-crypt-plugin.c

  Log Message:
  -----------
  mail-crypt: Treat empty values correctly

If mail_crypt_curve or mail_crypt_save_version
is left empty, disable the plugin. Don't error
out.