[x265] [PATCH] fix build error on VS2008 + WinXP

[Min Chen]

# HG changeset patch
# User Min Chen <chenm003 at 163.com>
# Date 1397122677 -28800
# Node ID 88365d9b50a56ff468b54b4d42f18d5644a9f79f
# Parent  83ccf2f1453ffd91c9fd8b84b72e3d3daacba6c6
fix build error on VS2008 + WinXP

diff -r 83ccf2f1453f -r 88365d9b50a5 source/common/winxp.cpp
--- a/source/common/winxp.cpp	Thu Apr 10 11:17:46 2014 +0530
+++ b/source/common/winxp.cpp	Thu Apr 10 17:37:57 2014 +0800
@@ -23,7 +23,7 @@
 
 #include "threading.h"
 
-#if defined(_WIN32) && (_WIN32_WINNT <_WIN32_WINNT_VISTA)
+#if defined(_WIN32) && (_WIN32_WINNT <= _WIN32_WINNT_WINXP)
 
 namespace x265
 {
diff -r 83ccf2f1453f -r 88365d9b50a5 source/common/winxp.h
--- a/source/common/winxp.h	Thu Apr 10 11:17:46 2014 +0530
+++ b/source/common/winxp.h	Thu Apr 10 17:37:57 2014 +0800
@@ -24,7 +24,9 @@
 #ifndef X265_WINXP_H
 #define X265_WINXP_H
 
-#if defined(_WIN32) && (_WIN32_WINNT < _WIN32_WINNT_VISTA)
+#if defined(_WIN32) && (_WIN32_WINNT <= _WIN32_WINNT_WINXP)
+
+#include <intrin.h> // _InterlockedCompareExchange64
 
 namespace x265
 {