EDIT

<?php

/**

 * @file

 * Returns HTML for a picture configured for the user's account.

 *

 * Complete documentation for this file is available online.

 * @see https://drupal.org/node/1728110

 */

?>

<?php if ($user_picture): ?>

  <span class="user-picture">

    <?php print $user_picture; ?>

  </span>

<?php endif; ?>