From 6c70bc5211c392678781d05e4f88b4e9499d0839 Mon Sep 17 00:00:00 2001
From: Luca Genuzio <genuzioluca@gmail.com>
Date: Tue, 9 Dec 2014 13:45:31 +0100
Subject: [PATCH] Fix missing addExpressionLanguageProvider (used by service
 container to add expression providers)

---
 .../Security/Core/Authorization/Voter/ExpressionVoter.php   | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/Symfony/Component/Security/Core/Authorization/Voter/ExpressionVoter.php b/src/Symfony/Component/Security/Core/Authorization/Voter/ExpressionVoter.php
index 32638036da..98b8f50f15 100644
--- a/src/Symfony/Component/Security/Core/Authorization/Voter/ExpressionVoter.php
+++ b/src/Symfony/Component/Security/Core/Authorization/Voter/ExpressionVoter.php
@@ -15,6 +15,7 @@ use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
 use Symfony\Component\Security\Core\Authentication\AuthenticationTrustResolverInterface;
 use Symfony\Component\Security\Core\Authorization\ExpressionLanguage;
 use Symfony\Component\Security\Core\Role\RoleHierarchyInterface;
+use Symfony\Component\ExpressionLanguage\ExpressionFunctionProviderInterface;
 use Symfony\Component\ExpressionLanguage\Expression;
 use Symfony\Component\HttpFoundation\Request;
 
@@ -43,6 +44,11 @@ class ExpressionVoter implements VoterInterface
         $this->roleHierarchy = $roleHierarchy;
     }
 
+    public function addExpressionLanguageProvider(ExpressionFunctionProviderInterface $provider)
+    {
+        $this->expressionLanguage->registerProvider($provider);
+    }
+
     /**
      * {@inheritdoc}
      */