From cec0cc744c2aa4fc5ea7772808ab2c4219c8987e Mon Sep 17 00:00:00 2001
From: Yavor Georgiev <yavor.georgiev@outlook.com>
Date: Thu, 12 Oct 2017 20:25:21 +0200
Subject: [PATCH] define ssize_t the right way on windows

---
 vendor/json.hpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/vendor/json.hpp b/vendor/json.hpp
index c31575c8..530b7a28 100644
--- a/vendor/json.hpp
+++ b/vendor/json.hpp
@@ -66,8 +66,11 @@ Class @ref nlohmann::basic_json is a good entry point for the documentation.
 
 // enable ssize_t for MSVC
 #ifdef _MSC_VER
-    #include <basetsd.h>
-    using ssize_t = SSIZE_T;
+    #if !defined(_SSIZE_T_) && !defined(_SSIZE_T_DEFINED)
+        typedef SSIZE_T ssize_t;
+        #define _SSIZE_T_
+        #define _SSIZE_T_DEFINED
+    #endif
 #endif
 
 /*!