[dovecot/core] bd5684: lib-dcrypt: Make static analyzer happier

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/dovecot/core
  Commit: bd5684768b6084ddca07c210fd4dbb6372acc56a
      https://github.com/dovecot/core/commit/bd5684768b6084ddca07c210fd4dbb6372acc56a
  Author: Timo Sirainen <timo.sirainen at dovecot.fi>
  Date:   2016-06-27 (Mon, 27 Jun 2016)

  Changed paths:
    M src/lib-dcrypt/test-crypto.c

  Log Message:
  -----------
  lib-dcrypt: Make static analyzer happier