Index: wp-includes/functions.php
===================================================================
--- wp-includes/functions.php	(wersja 12770)
+++ wp-includes/functions.php	(kopia robocza)
@@ -1836,7 +1836,7 @@
 		echo $nonce_field;
 
 	if ( $referer )
-		wp_referer_field( $echo, 'previous' );
+		$nonce_field .= wp_referer_field( $echo, 'previous' );
 
 	return $nonce_field;
 }