bug #656 don't fail when token storage is an alias (xabbuh)

This PR was merged into the 5.5.x-dev branch.

Discussion
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don't fail when token storage is an alias

fixes #653

Commits
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9bb0446 don't fail when token storage is an alias

src/DependencyInjection/Compiler/OptimizerPass.php

@@ -23,7 +23,7 @@ class OptimizerPass implements CompilerPassInterface
 {
     public function process(ContainerBuilder $container)
     {
-        if (!$container->hasDefinition('security.token_storage')) {
+        if (!$container->has('security.token_storage')) {
             $container->removeDefinition('sensio_framework_extra.security.listener');
         }