From 81a9258de942b5394cd6fd5dc49b265df0e50b84 Mon Sep 17 00:00:00 2001
From: "Alexander \"Ace\" Olofsson" <ace@haxalot.com>
Date: Sun, 28 Aug 2016 21:48:00 +0200
Subject: [PATCH] Don't reset the APPVEYOR and CI variables

---
 CI/before_script.msvc.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/CI/before_script.msvc.sh b/CI/before_script.msvc.sh
index 72c3e983ac..04f89ccd43 100644
--- a/CI/before_script.msvc.sh
+++ b/CI/before_script.msvc.sh
@@ -2,8 +2,8 @@
 
 set -euo pipefail
 
-APPVEYOR=""
-CI=""
+APPVEYOR=${APPVEYOR:-}
+CI=${CI:-}
 
 VERBOSE=""
 STRIP=""