Fix post update on wp_update_post()

git-svn-id: https://plugins.svn.wordpress.org/related/trunk@857830 b8457f37-d9ea-0310-8a92-e5e31aec5664
Fix post update on wp_update_post()

git-svn-id: https://plugins.svn.wordpress.org/related/trunk@857831 b8457f37-d9ea-0310-8a92-e5e31aec5664