[Bug]Not Working 404 Page Setting

Page setting of 404 is not working.
Reason for this is that using the array_merge in line 111 of “models / headspace.php”.
array_merge initializes the numeric indices.
Correction

$types = array(
      'archive'    => array (__ ('Archives', 'headspace'), __ ('applied when viewing the archives', 'headspace')),
      'category'   => array (__ ('Categories', 'headspace'), __ ('applied to category pages without specific settings', 'headspace')),
      'post'       => array (__ ('Posts', 'headspace'), __ ('applied to posts without specific settings', 'headspace')),
      'page'       => array (__ ('Pages', 'headspace'), __ ('applied to pages without specific settings', 'headspace')),
      'author'     => array (__ ('Author Pages', 'headspace'), __ ('applied to author pages', 'headspace')),
      'search'     => array (__ ('Search Pages', 'headspace'), __ ('applied when viewing search results', 'headspace')),
      '404'        => array (__ ('404 Page', 'headspace'), __ ('applied when viewing a 404 error', 'headspace')),
      'tags'       => array (__ ('Tag Pages', 'headspace'), __ ('applied when viewing tag pages', 'headspace')),
      'attachment' => array (__ ('Attachment Pages'), __ ('applied when viewing an attachment', 'headspace')),
      'login'      => array (__ ('Login Pages', 'headspace'), __ ('applied when viewing login, logout, or registration pages', 'headspace')),
    ) + $types;

http://wordpress.org/plugins/headspace2/