From d92f9d511c3848c4a414343aa2dc86632131ef8f Mon Sep 17 00:00:00 2001
From: Greg Dunlap <gdd@heyrocker.com>
Date: Wed, 7 Dec 2011 22:16:29 +0100
Subject: [PATCH] Missing $

---
 core/includes/cache.inc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/includes/cache.inc b/core/includes/cache.inc
index 922773b63e6..5ae71c41cbf 100644
--- a/core/includes/cache.inc
+++ b/core/includes/cache.inc
@@ -470,7 +470,7 @@ class DrupalDatabaseCache implements DrupalCacheInterface {
     // in session.inc. If the data is permanent or we're not enforcing a minimum
     // cache lifetime always return the cached data.
     $config = config('system.performance');
-    if ($cache->expire != CACHE_PERMANENT && config->get('caching.cache_lifetime') && $user->cache > $cache->created) {
+    if ($cache->expire != CACHE_PERMANENT && $config->get('caching.cache_lifetime') && $user->cache > $cache->created) {
       // This cache data is too old and thus not valid for us, ignore it.
       return FALSE;
     }