Super cache: fix a trailing div (#38023)

* Fix trailing div

* changelog

Committed via a GitHub action: https://github.com/Automattic/jetpack/actions/runs/9660174367

Upstream-Ref: Automattic/jetpack@c05ce7b

wp-cache.php

@@ -2379,6 +2379,7 @@ function wpsc_check_advanced_cache() {
 			echo '<p><strong>' .
 				__( 'If you need support for this problem contact your hosting provider.', 'wp-super-cache' ),
 				'</strong></p>';
+			echo '</div>';
 		} elseif ( ! is_writeable_ACLSafe( $wpsc_advanced_cache_filename ) ) {
 			echo '<div class="notice notice-error"><h2>' . __( 'Warning', 'wp-super-cache' ) . "! <em>" . sprintf( __( '%s/advanced-cache.php</em> cannot be updated.', 'wp-super-cache' ), WP_CONTENT_DIR ) . "</h2>";
 			echo '<ol>';
@@ -2391,8 +2392,8 @@ function wpsc_check_advanced_cache() {
 			echo "<li>" . sprintf( __( 'Refresh this page to update <em>%s/advanced-cache.php</em>', 'wp-super-cache' ), WP_CONTENT_DIR ) . "</li></ol>";
 			echo sprintf( __( 'If that doesn&#8217;t work, make sure the file <em>%s/advanced-cache.php</em> doesn&#8217;t exist:', 'wp-super-cache' ), WP_CONTENT_DIR ) . "<ol>";
 			echo "</ol>";
+			echo '</div>';
 		}
-		echo "</div>";
 		return false;
 	}
 	return true;