admin settings: fix LDAP settings header layout

apps/user_ldap/templates/settings.php

-<div id="ldapSettings" class="section">
+<form id="ldap" class="section" action="#" method="post">
 	<h2><?php p($l->t('LDAP')); ?></h2>
-	<form id="ldap" action="#" method="post">
+
+	<div id="ldapSettings">
 	<ul>
 		<?php foreach($_['toc'] as $id => $title) { ?>
 			<li id="<?php p($id); ?>"><a href="<?php p($id); ?>"><?php p($title); ?></a></li>