WSOD when new users come to the site

A white screen of death (WSOD) happens when new users come to the site as a result of the following code:

line:78

  // If $account still does not contain a uid property, fall back to denying access.
  // Execution should never get here.  If it does, it's an uncaught edge-case.
  else {
    drupal_access_denied;
    exit();
  }

Since the email header field is not required, a condition can arise where an admin can create and go-live with a configuration that supplies a blank email address. At that point, when new users come to the site, they will receive a white screen because the following line is missing parens:

line:81

    drupal_access_denied;

should be:

line:81

    drupal_access_denied();

Note: This can also happen if the email header is supplied but the value is blank.
I'm going to pull a copy from cvs & supply this as a patch later on.