Make request property final

sagikazarmark · sagikazarmark · commit c630ab7b71d0 · 2015-09-21T12:15:49.000+02:00
diff --git a/src/Exception/RequestException.php b/src/Exception/RequestException.php
@@ -16,7 +16,7 @@ class RequestException extends TransferException
     /**
      * @var RequestInterface
      */
-    protected $request;
+    private $request;
 
     /**
      * @param string           $message
