Suggest get_current_site() as an alternative for get_current_site_name().

props jesin.
fixes #28346.
Built from https://develop.svn.wordpress.org/trunk@28573


git-svn-id: http://core.svn.wordpress.org/trunk@28398 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/ms-load.php

@@ -426,13 +426,13 @@ function ms_not_installed() {
  *
  * @access private
  * @since 3.0.0
- * @deprecated 3.9.0
+ * @deprecated 3.9.0 Use get_current_site() instead.
  *
  * @param object $current_site
  * @return object
  */
 function get_current_site_name( $current_site ) {
-	_deprecated_function( __FUNCTION__, '3.9' );
+	_deprecated_function( __FUNCTION__, '3.9', 'get_current_site()' );
 	return $current_site;
 }