Widgets: Correct the logic for displaying the after_widget parameter of the Archives widget.

Follow-up to [48349].

Props mukesh27, joyously.
Fixes #50609.

git-svn-id: https://develop.svn.wordpress.org/trunk@48409 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/widgets/class-wp-widget-recent-posts.php

@@ -125,6 +125,7 @@ class WP_Widget_Recent_Posts extends WP_Widget {
 				</li>
 			<?php endforeach; ?>
 		</ul>
+
 		<?php if ( 'html5' === $format ) : ?>
 			</nav>
 		<?php endif; ?>