Addons hadn't been changed for the moved emailer class

dav/friendica/main.php

@@ -1,4 +1,5 @@
 <?php
+use Friendica\Util\Emailer;
 
 require_once('include/security.php');
 
@@ -285,7 +286,6 @@ function dav_cron(&$a, &$b)
 						'textVersion'          => $text_text,
 						'additionalMailHeader' => "",
 					);
-					require_once('include/Emailer.php');
 					Emailer::send($params);
 				}
 				break;

notifyall/notifyall.php

@@ -9,7 +9,7 @@
  * Author: Rabuzarus <https://friendica.kommune4.de/profile/rabuzarus> (Port to Friendica)
  */
 
-require_once('include/Emailer.php');
+use Friendica\Util\Emailer;
 
 function notifyall_install() {
 	logger("installed notifyall");

securemail/securemail.php

@@ -8,8 +8,7 @@
 
 use Friendica\App;
 use Friendica\Core\PConfig;
-
-require_once 'include/Emailer.php';
+use Friendica\Util\Emailer;
 
 /* because the fraking openpgp-php is in composer, require libs in composer
  * and then don't use autoloader to load classes... */