Add a missing `@return` tag to the DocBlock for `site_admin_notice()`.

See #32246.

Built from https://develop.svn.wordpress.org/trunk@32339


git-svn-id: http://core.svn.wordpress.org/trunk@32310 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/includes/ms.php

@@ -728,6 +728,8 @@ function mu_dropdown_languages( $lang_files = array(), $current = '' ) {
  * @since 3.0.0
  *
  * @global int $wp_db_version The version number of the database.
+ *
+ * @return false False if the current user is not a super admin.
  */
 function site_admin_notice() {
 	global $wp_db_version;

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.3-alpha-32338';
+$wp_version = '4.3-alpha-32339';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.