From 18fa4f4745f60ce7b54308cd44ecb209a8301cb3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Petr=20S=CC=8Ckoda?= <commits@skodak.org>
Date: Mon, 25 Feb 2013 10:10:57 +0100
Subject: [PATCH] MDL-38154 do not hardcode sha1 hash of empty string

---
 lib/filestorage/file_storage.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/filestorage/file_storage.php b/lib/filestorage/file_storage.php
index de4d0c20de2..09d636a5717 100644
--- a/lib/filestorage/file_storage.php
+++ b/lib/filestorage/file_storage.php
@@ -1635,7 +1635,7 @@ class file_storage {
     public function deleted_file_cleanup($contenthash) {
         global $DB;
 
-        if ($contenthash === 'da39a3ee5e6b4b0d3255bfef95601890afd80709') {
+        if ($contenthash === sha1('')) {
             // No need to delete empty content file with sha1('') content hash.
             return;
         }