PHP Notice: Undefined variable: cookie_value in screener.inc.php

Notice: Undefined variable: cookie_value in wp-content/plugins/bad-behavior/bad-behavior/screener.inc.php on line 14

The $cookie_value variable is the problem:

function bb2_screener_cookie($settings, $package, $cookie_name, $cookie_value)
{
	// Delete existing cookie, if any
	setcookie($cookie_name, $cookie_value, 1, bb2_relative_path());
}

function bb2_screener($settings, $package)
{
	bb2_screener_cookie($settings, $package, BB2_COOKIE, $cookie_value);
}