[WebBundle] fixed typos

src/Symfony/Framework/WebBundle/Resources/skeleton/web/front_controller.php

@@ -3,4 +3,4 @@
 require_once __DIR__.'/../{{ application }}/{{ class }}Kernel.php';
 
 $kernel = new {{ class }}Kernel('prod', false);
-$kernel->handler()->send();
+$kernel->handle()->send();

src/Symfony/Framework/WebBundle/Resources/skeleton/web/front_controller_debug.php

@@ -10,4 +10,4 @@ if (!in_array(@$_SERVER['REMOTE_ADDR'], array('127.0.0.1', '::1')))
 require_once __DIR__.'/../{{ application }}/{{ class }}Kernel.php';
 
 $kernel = new {{ class }}Kernel('dev', true);
-$kernel->handler()->send();
+$kernel->handle()->send();