edit in wp-xml-sitemap.php

git-svn-id: https://plugins.svn.wordpress.org/wp-xml-sitemap/trunk@933987 b8457f37-d9ea-0310-8a92-e5e31aec5664
edit in wp-xml-sitemap.php

git-svn-id: https://plugins.svn.wordpress.org/wp-xml-sitemap/trunk@933990 b8457f37-d9ea-0310-8a92-e5e31aec5664