From c027b376dde3a87bea9c4965f062ed920eabd47c Mon Sep 17 00:00:00 2001
From: Abhimanyu Gupta <zzzabhi@yahoo.com>
Date: Fri, 2 Mar 2012 17:49:16 -0500
Subject: [PATCH] Fix incorrect cache variable name. page_cache_lifetime is
 invalid variable name because it isn't set or used anywhere. This bug
 prevents Drupal from enforcing minimum cache_lifetime for pages.

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

diff --git a/includes/common.inc b/includes/common.inc
index a969a311d3d..f6f006c19d7 100644
--- a/includes/common.inc
+++ b/includes/common.inc
@@ -2714,7 +2714,7 @@ function page_set_cache() {
     // This will fail in some cases, see page_get_cache() for the explanation.
     if ($data = ob_get_contents()) {
       ob_end_clean();
-      $cache_lifetime = variable_get('page_cache_lifetime', 0);
+      $cache_lifetime = variable_get('cache_lifetime', 0);
 
       if (variable_get('page_compression', TRUE) && extension_loaded('zlib')) {
         $data = gzencode($data, 9, FORCE_GZIP);