BugFix of form

lib/views/admin/security.html

@@ -102,7 +102,7 @@
 
       <form action="/_api/admin/security/mechanism" method="post" class="form-horizontal" id="mechanismSetting" role="form">
         <fieldset>
-        <legend>認証機構設定</legend>
+          <legend>認証機構設定</legend>
           <p class="alert alert-info"><b>NOTE: </b>Restarting the server is needed if you switch the auth mechanism.</p>
           <div class="form-group">
             <div class="col-xs-6">
@@ -141,6 +141,7 @@
               <button type="submit" class="btn btn-primary">{{ t('Update') }}</button>
             </div>
           </div>
+        </fieldset>
       </form>