phpbb_notification_method_email::is_available() should return false when user doesn't have an email address

class phpbb_notification_method_email extends phpbb_notification_method_base

{

	/**

	* Get notification method name

	*

	* @return string

	*/

	public function get_type()

	{

		return 'email';

	}

	/**

	* Is this method available for the user?

	* This is checked on the notifications options

	*/

	public function is_available()

	{

		return (bool) $this->config['email_enable'];

	}

class phpbb_notification_method_jabber extends phpbb_notification_method_messenger_base

{

	/**

	* Get notification method name

	*

	* @return string

	*/

	public function get_type()

	{

		return 'jabber';

	}

	/**

	* Is this method available for the user?

	* This is checked on the notifications options

	*/

	public function is_available()

	{

		return ($this->global_available() && $this->user->data['user_jabber']);

	}