Improve check for Doctrine

[7ochem]

framework-extra-bundle/src/Zicht/Bundle/FrameworkExtraBundle/DependencyInjection/ZichtFrameworkExtraExtension.php

Lines 114 to 116 in 4ad317e

	if (array_key_exists('DoctrineBundle', $container->getParameter('kernel.bundles'))) {
	$loader->load('doctrine.xml');
	}