Use reflection to determaine the correct path for component validation.xml file

Author: henrikbjorn

src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php

@@ -554,7 +554,8 @@ private function registerValidationConfiguration(array $config, ContainerBuilder
 
  private function getValidatorXmlMappingFiles(ContainerBuilder $container)
  {
- $files = array(__DIR__.'/../../../Component/Form/Resources/config/validation.xml');
+ $reflClass = new \ReflectionClass('Symfony\Component\Form\FormInterface');
+ $files = array(dirname($reflClass->getFileName()) . '/Resources/config/validation.xml');
  $container->addResource(new FileResource($files[0]));
 
  foreach ($container->getParameter('kernel.bundles') as $bundle) {