security: Update PHPMailer to version 5.2.19 (#5253)

doc/General/Acknowledgement.md

@@ -29,6 +29,7 @@ LibreNMS 3rd party acknowledgements
   - MalaysiaMap.svg - By Exiang [CC BY 3.0 (http://creativecommons.org/licenses/by/3.0)], via Wikimedia Commons
   - HTML Purifier (http://htmlpurifier.org/): LGPL v2.1
   - Symfony Yaml (https://github.com/symfony/yaml): MIT
+  - PHPMailer (https://github.com/PHPMailer/PHPMailer): LGPL v2.1
 
 #### 3rd Party GPLv3 Non-compliant
 

lib/phpmailer/PHPMailerAutoload.php

@@ -1,14 +1,14 @@
 <?php
 /**
  * PHPMailer SPL autoloader.
- * PHP Version 5.0.0
+ * PHP Version 5
  * @package PHPMailer
- * @link https://github.com/PHPMailer/PHPMailer/
- * @author Marcus Bointon (coolbru) <[email protected]>
+ * @link https://github.com/PHPMailer/PHPMailer/ The PHPMailer GitHub project
+ * @author Marcus Bointon (Synchro/coolbru) <[email protected]>
  * @author Jim Jagielski (jimjag) <[email protected]>
  * @author Andy Prevost (codeworxtech) <[email protected]>
  * @author Brent R. Matzelle (original founder)
- * @copyright 2013 Marcus Bointon
+ * @copyright 2012 - 2014 Marcus Bointon
  * @copyright 2010 - 2012 Jim Jagielski
  * @copyright 2004 - 2009 Andy Prevost
  * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License