[SwiftmailerBundle] removed the need for adding the swiftmailer path to the include path

src/Symfony/Framework/SwiftmailerBundle/DependencyInjection/SwiftmailerExtension.php

@@ -52,6 +52,9 @@ class SwiftMailerExtension extends LoaderExtension
             $configuration->setAlias('mailer', 'swiftmailer.mailer');
         }
 
+        $r = new \ReflectionClass('Swift_Message');
+        $configuration->setParameter('swiftmailer.base_dir', dirname(dirname(dirname($r->getFilename()))));
+
         $transport = $configuration->getParameter('swiftmailer.transport.name');
         if (array_key_exists('transport', $config)) {
             if (null === $config['transport']) {

src/Symfony/Framework/SwiftmailerBundle/Resources/config/swiftmailer.xml

@@ -22,7 +22,7 @@
     <parameter key="swiftmailer.transport.failover.class">Swift_Transport_FailoverTransport</parameter>
     <parameter key="swiftmailer.spool.file.class">Swift_FileSpool</parameter>
 
-    <parameter key="swiftmailer.init_file">swift_init.php</parameter>
+    <parameter key="swiftmailer.init_file">%swiftmailer.base_dir%/swift_init.php</parameter>
 
     <parameter key="swiftmailer.plugin.redirecting.class">Swift_Plugins_RedirectingPlugin</parameter>
     <parameter key="swiftmailer.plugin.blackhole.class">Swift_Plugins_BlackholePlugin</parameter>