if ( '' == get_the_guid($post->ID) )
$wpdb->update( $wpdb->posts, array( 'guid' => get_permalink( $post->ID ) ), array( 'ID' => $post->ID ) );
do_action('private_to_published', $post->ID); // Deprecated, use private_to_publish
if ( '' == get_the_guid($post->ID) )
$wpdb->update( $wpdb->posts, array( 'guid' => get_permalink( $post->ID ) ), array( 'ID' => $post->ID ) );
do_action('private_to_published', $post->ID); // Deprecated, use private_to_publish