Clean up URL and redirect after GET posts

git-svn-id: http://svn.automattic.com/wordpress/trunk@6863 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/edit-pages.php

@@ -26,6 +26,9 @@ if ( isset($_GET['deleteit']) && isset($_GET['delete']) ) {
 
 	wp_redirect($sendback);
 	exit();
+} elseif ( !empty($_GET['_wp_http_referer']) ) {
+	 wp_redirect(remove_query_arg(array('_wp_http_referer', '_wpnonce'), stripslashes($_SERVER['REQUEST_URI'])));
+	 exit; 
 }
 
 $title = __('Pages');