From eff9326b0de05551e976ca4ddcfc9f057fe29bcb Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Mon, 15 May 2017 13:41:36 +0200
Subject: [PATCH] Fix BC break, fixes #6419

---
 src/Composer/Downloader/ZipDownloader.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Composer/Downloader/ZipDownloader.php b/src/Composer/Downloader/ZipDownloader.php
index b3685268b..09c32ab8a 100644
--- a/src/Composer/Downloader/ZipDownloader.php
+++ b/src/Composer/Downloader/ZipDownloader.php
@@ -29,7 +29,7 @@ use ZipArchive;
  */
 class ZipDownloader extends ArchiveDownloader
 {
-    private static $hasSystemUnzip;
+    protected static $hasSystemUnzip;
     private static $hasZipArchive;
     private static $isWindows;