Swiftmailer6 compat.

Author: thirsch

lib/autoload/sfCoreAutoload.class.php

@@ -342,7 +342,9 @@ static public function make()
     'sfvarlogger' => 'log/sfVarLogger.class.php',
     'sfwebdebuglogger' => 'log/sfWebDebugLogger.class.php',
     'sfmailer' => 'mailer/sfMailer.class.php',
+    'sfmailerbase' => 'mailer/sfMailerBase.class.php',
     'sfmailermessageloggerplugin' => 'mailer/sfMailerMessageLoggerPlugin.class.php',
+    'sfmailerswiftmailer6' => 'mailer/sfMailerSwiftmailer6.class.php',
     'sfnomailer' => 'mailer/sfNoMailer.class.php',
     'sfpearconfig' => 'plugin/sfPearConfig.class.php',
     'sfpeardownloader' => 'plugin/sfPearDownloader.class.php',