From f514fabf61e122880c1c184fe57bccfe2388b57d Mon Sep 17 00:00:00 2001
From: George Marques <george@gmarqu.es>
Date: Sun, 23 Jul 2017 21:28:44 -0300
Subject: [PATCH] UWP: Fix build issue caused by atomic operations

---
 core/safe_refcount.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/safe_refcount.cpp b/core/safe_refcount.cpp
index d18c90adfa1..d7e52973214 100644
--- a/core/safe_refcount.cpp
+++ b/core/safe_refcount.cpp
@@ -185,7 +185,7 @@ static _ALWAYS_INLINE_ uint64_t _atomic_increment_impl(register uint64_t *pw) {
 
 static _ALWAYS_INLINE_ uint64_t _atomic_sub_impl(register uint64_t *pw, register uint64_t val) {
 
-#if _WIN32_WINNT >= 0x0601 // Windows 7+
+#if _WIN32_WINNT >= 0x0601 && !defined(UWP_ENABLED) // Windows 7+ except UWP
 	return InterlockedExchangeSubtract64(pw, val) - val;
 #else
 	return InterlockedExchangeAdd64((LONGLONG volatile *)pw, -(int64_t)val) - val;