From 94198876d05399807cc0e5e9c32afa411f41fcc5 Mon Sep 17 00:00:00 2001
From: Patrick Landolt <landolt@gmail.com>
Date: Mon, 25 Mar 2019 12:20:53 +0100
Subject: [PATCH] [Mime] Removed unnecessary strtolower

---
 src/Symfony/Component/Mime/Header/Headers.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Symfony/Component/Mime/Header/Headers.php b/src/Symfony/Component/Mime/Header/Headers.php
index f60cd474a6..c0e45e0d0a 100644
--- a/src/Symfony/Component/Mime/Header/Headers.php
+++ b/src/Symfony/Component/Mime/Header/Headers.php
@@ -168,7 +168,7 @@ final class Headers
     public function get(string $name): ?HeaderInterface
     {
         $name = strtolower($name);
-        if (!isset($this->headers[strtolower($name)])) {
+        if (!isset($this->headers[$name])) {
             return null;
         }