Index: wp-includes/functions.php
===================================================================
--- wp-includes/functions.php	(revision 21361)
+++ wp-includes/functions.php	(working copy)
@@ -868,12 +868,13 @@
  * @param int $header HTTP status code
  * @return unknown
  */
-function status_header( $header ) {
-	$text = get_status_header_desc( $header );
+function status_header( $header, $text = null ) {
+	if ( !$text ) {
+		$text = get_status_header_desc( $header );
+		if ( empty( $text ) )
+			return false;
+	}
 
-	if ( empty( $text ) )
-		return false;
-
 	$protocol = $_SERVER["SERVER_PROTOCOL"];
 	if ( 'HTTP/1.1' != $protocol && 'HTTP/1.0' != $protocol )
 		$protocol = 'HTTP/1.0';
