Fixes improper HTML in admin tag manager.

themes/bootstrap3/templates/admin/tags/manage.phtml

@@ -78,6 +78,7 @@
             <div class="col-sm-4">
               <input type="submit" name="deleteFilter" value="<?=$this->translate('delete_tags')?>" class="btn btn-primary"/>
             </div>
+          </div>
         <? endif;?>
       </form>
     <? endif;?>