Make compatible with Piwigo 11.2 and up

jose1711 · jose1711 · commit e82537a0e0dc · 2021-06-29T09:50:47.000+02:00
Fixes #192.
diff --git a/main.inc.php b/main.inc.php
@@ -6,6 +6,7 @@
 Plugin URI: http://piwigo.org/ext/extension_view.php?eid=701
 Author: xbmgsharp
 Author URI: https://github.com/xbgmsharp/piwigo-openstreetmap
+Has Settings: webmaster
 */
 
 // Chech whether we are indeed included by Piwigo.
