add upstream link

https://github.com/FriendsOfPHP/PHP-CS-Fixer/pull/564

diff --git a/allow-cache.patch b/allow-cache.patch
index f9ad397738875ebfd9b107303d42296fce5e3785..1b1f4d2b39ac11fbd0291fe5994b93aa3b8223bd 100644 (file)
--- a/allow-cache.patch
+++ b/allow-cache.patch
@@ -1,3 +1,7 @@
+
+upstream change that added this condition:
+https://github.com/FriendsOfPHP/PHP-CS-Fixer/pull/564
+
 diff --git a/Symfony/CS/FileCacheManager.php b/Symfony/CS/FileCacheManager.php
 index 80dfb11b..98ef6243 100644
 --- a/Symfony/CS/FileCacheManager.php