From fede517b2207d53804ce552229aa4b5889095194 Mon Sep 17 00:00:00 2001
From: Victor Zverovich <victor.zverovich@gmail.com>
Date: Wed, 25 Feb 2015 17:20:26 -0800
Subject: [PATCH] Don't define _CRT_SECURE_NO_WARNINGS if it is already defined

This is done to avoid warnings.
---
 posix.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/posix.cc b/posix.cc
index d8f9bb62..023cd9e1 100644
--- a/posix.cc
+++ b/posix.cc
@@ -26,7 +26,9 @@
  */
 
 // Disable bogus MSVC warnings.
-#define _CRT_SECURE_NO_WARNINGS
+#ifndef _CRT_SECURE_NO_WARNINGS
+# define _CRT_SECURE_NO_WARNINGS
+#endif
 
 #include "posix.h"