Bug in 0.2.9.9 XML-Install file

<file name="$boarddir/index.php">
      <operation>
         <search position="before"><![CDATA[
require_once($sourcedir . '/QueryString.php');
require_once($sourcedir . '/Subs.php');]]></search>
         <add><![CDATA[
require_once($sourcedir . '/Subs-Seo4SMF.php');]]></add>
      </operation>
      <operation>
         <search position="before"><![CDATA[
      // Fall through to the board index then...
      require_once($sourcedir . '/BoardIndex.php');
      <add><![CDATA[
      header("HTTP/1.0 404 Not Found");]]></add>
      </operation>
      <operation>
         <search position="before"><![CDATA[
      '.xml' => array('News.php', 'ShowXmlFeed'),
]]></search>
         <add><![CDATA[
                'seo4smfadmin' => array('Seo4SMFAdmin.php', 'Seo4SMFAdmin'),
                'seo4smfadminsave' => array('Seo4SMFAdmin.php', 'Seo4SMFAdminSave'),
      'seo4smfadminsavexml' => array('Seo4SMFAdmin.php', 'Seo4SMFAdminSaveXML'),
      'seo4smfsitemaps' => array('Seo4SMFSitemaps.php', 'Seo4SMFSitemaps'),
]]></add>
      </operation>
   </file>