Update to Enable Media Replace

function enable_media_replace( $form_fields, $post ) {
    $current_screen = get_current_screen();
    if ( $current_screen->base == 'post' && $current_screen->post_type == 'attachment' ) {

        $url = admin_url( "upload.php?page=enable-media-replace/enable-media-replace.php&action=media_replace&attachment_id=" . $post->ID);
        $action = "media_replace";
        $editurl = wp_nonce_url( $url, $action );

        if (FORCE_SSL_ADMIN) {
            $editurl = str_replace("http:", "https:", $editurl);
        }
        $link = "href=\"$editurl\"";
        $form_fields["enable-media-replace"] = array("label" => __("Replace media", "enable-media-replace"), "input" => "html", "html" => "<p><a class='button-secondary'$link>" . __("Upload a new file", "enable-media-replace") . "</a></p>", "helps" => __("To replace the current file, click the link and upload a replacement.", "enable-media-replace"));
    }
    return $form_fields;
}