From 2f2e8ecf34027a239018d3b90dda7c5c644e375e Mon Sep 17 00:00:00 2001
From: Tyson Andre <tysonandre775@hotmail.com>
Date: Fri, 20 Oct 2017 21:45:27 -0700
Subject: [PATCH] Fix unused argument in sprintf expression in CacheControl

Not clear on the impact, this was detected via static analysis.
---
 src/Header/CacheControl.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Header/CacheControl.php b/src/Header/CacheControl.php
index e1cda1b712..65d3dd3530 100644
--- a/src/Header/CacheControl.php
+++ b/src/Header/CacheControl.php
@@ -39,7 +39,7 @@ public static function fromString($headerLine)
         // check to ensure proper header type for this factory
         if (strtolower($name) !== 'cache-control') {
             throw new Exception\InvalidArgumentException(sprintf(
-                'Invalid header line for Cache-Control string: ""',
+                'Invalid header line for Cache-Control string: "%s"',
                 $name
             ));
         }