Sitemaps: Add missing slash when calling `home_url()` for consistency.

Props Chouby.
Fixes #50570.
Built from https://develop.svn.wordpress.org/trunk@48472


git-svn-id: http://core.svn.wordpress.org/trunk@48241 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/sitemaps/providers/class-wp-sitemaps-posts.php

@@ -101,7 +101,7 @@ class WP_Sitemaps_Posts extends WP_Sitemaps_Provider {
 		if ( 'page' === $post_type && 1 === $page_num && 'posts' === get_option( 'show_on_front' ) ) {
 			// Extract the data needed for home URL to add to the array.
 			$sitemap_entry = array(
-				'loc' => home_url(),
+				'loc' => home_url( '/' ),
 			);
 
 			/**

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.5-beta1-48471';
+$wp_version = '5.5-beta1-48472';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.