This should be 3 not 4, otherwiser I get the following error:

fixe · fixe · commit 85fd9f330c2b · 2012-03-06T00:33:52.000Z
OutOfBoundsException: The index "4" is not in the range [0, 3].
diff --git a/src/Symfony/Bundle/SecurityBundle/DependencyInjection/SecurityExtension.php b/src/Symfony/Bundle/SecurityBundle/DependencyInjection/SecurityExtension.php
@@ -287,7 +287,7 @@ private function createFirewall(ContainerBuilder $container, $id, $firewall, &$a
 
             // add logout success handler
             if (isset($firewall['logout']['success_handler'])) {
-                $listener->replaceArgument(4, new Reference($firewall['logout']['success_handler']));
+                $listener->replaceArgument(3, new Reference($firewall['logout']['success_handler']));
             }
 
             // add CSRF provider

Original file line number	Diff line number	Diff line change
`@@ -287,7 +287,7 @@ private function createFirewall(ContainerBuilder $container, $id, $firewall, &$a`
`287`	`287`
`288`	`288`	`// add logout success handler`
`289`	`289`	`if (isset($firewall['logout']['success_handler'])) {`
`290`		`- $listener->replaceArgument(4, new Reference($firewall['logout']['success_handler']));`
	`290`	`+ $listener->replaceArgument(3, new Reference($firewall['logout']['success_handler']));`
`291`	`291`	`}`
`292`	`292`
`293`	`293`	`// add CSRF provider`