Delay constraint needs to be converted to D7 database api

Hi,

It looks to me like the password_policy_constraint_delay_validate(() function has escaped D7 conversion - it still uses D6 database functions. The function ought to look something like this, I believe:

function password_policy_constraint_delay_validate($password, $constraint, $uid) {
  $query = db_select('password_policy_history');
  $query->addExpression('MAX(created)');
  $last_change = $query->condition('uid', $uid)
    ->range(0, 1)
    ->execute()
    ->fetchField();
  
  if ($last_change) {
    // Constraint is set in hours, so it gets converted to seconds with *60*60.
    return time() - ($constraint*60*60) > $last_change;
  }
  return TRUE;
}

This is what I have implemented on my site in any case.

Regards,

- Paul