some changes

redmine.php

@@ -47,7 +47,7 @@ class class_redmine {
     *
     * @param string $attachment_id numeric id of attachment
     * @param bool $thumbnail if true downloading thumbnail
-
+    *
     * @return array 0 => http response, 1 => $filecontent - content of file
     */
     function download_attachment(string $attachment_id, bool $thumbnail=false) {