From 8eb08a4ea59cb65fb74d383d605bfdb9bd3e2c23 Mon Sep 17 00:00:00 2001
From: Moshe Weitzman <weitzman@tejasa.com>
Date: Mon, 10 Oct 2016 10:09:51 -0400
Subject: [PATCH] Fix #2379. drush_is_windows() no longer accepted an 
 parameter.

---
 includes/startup.inc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/includes/startup.inc b/includes/startup.inc
index dd2e3e0240..d700b61172 100644
--- a/includes/startup.inc
+++ b/includes/startup.inc
@@ -128,8 +128,8 @@ function find_wrapper_or_launcher_at_location($location) {
 /**
  * Determine whether current OS is a Windows variant.
  */
-function drush_is_windows() {
-  return strtoupper(substr(PHP_OS, 0, 3)) === 'WIN';
+function drush_is_windows($os = PHP_OS) {
+  return strtoupper(substr($os, 0, 3)) === 'WIN';
 }
 
 function drush_escapeshellarg($arg, $os = NULL, $raw = FALSE) {