badgebackpackurl equals to badgebakingurl

Hi,

I think the code in open_badges.admin.inc contains a bug so the badgebackpackurl is always equals to badgebakingurl. I thinkj it should read (see #default_value):

  function open_badges_settings_form() }
  ....
  $form['badgebackpackurl'] = array(
    '#type' => 'textfield',
    '#title' => t('URL for sending a badge to the OBI backpack'),
    '#size' => 75,
    '#maxlength' => 255,
    '#default_value' => variable_get('open_badges_badgebackpackurl', ''),
    '#description' => t('The URL for sharing the badge with the user\'s OBI backpack.  See XXX for more information on OBI backpacks.'),
    );