CiviCRM 4.7 patch to avoid BOA perms issue

gistfile1.txt

--- CRM/Extension/ClassLoader.php.bkp	2018-02-07 04:59:01.000000000 +0100
+++ CRM/Extension/ClassLoader.php	2018-02-22 15:30:16.242395374 +0100
@@ -82,7 +82,7 @@
     }
 
     $file = $this->getCacheFile();
-    if (file_exists($file)) {
+    if (file_exists($file) && fileperms($file)) {
       $loader = require $file;
     }
     else {
--- vendor/symfony/config/Symfony/Component/Config/ConfigCache.php.bkp	2015-07-08 07:59:48.000000000 +0200
+++ vendor/symfony/config/Symfony/Component/Config/ConfigCache.php	2018-02-22 14:54:25.098007744 +0100
@@ -60,7 +60,7 @@
      */
     public function isFresh()
     {
-        if (!is_file($this->file)) {
+        if (!is_file($this->file) || !fileperms($this->file)) {
             return false;
         }