Fix constructors in simpleid to be compatible with PHP 8
diff --git a/simpleid/www/discovery.inc.php b/simpleid/www/discovery.inc.php
index 30c50e6..17939f8 100644
--- a/simpleid/www/discovery.inc.php
+++ b/simpleid/www/discovery.inc.php
@@ -441,7 +441,7 @@
*
* This constructor also initialises the underlying XML parser.
*/
- function XRDSParser() {
+ function __construct() {
$this->parser = xml_parser_create_ns();
xml_parser_set_option($this->parser, XML_OPTION_CASE_FOLDING,0);
xml_set_object($this->parser, $this);