Fix 8.1 sdk detection defines

Source/platform/win/SystemInfo.cpp

 /*
  * Copyright (C) 2009 Apple Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "platform/win/SystemInfo.h"
 
-#if _WIN32_WINNT_WINBLUE
+#include <windows.h>
+
+#if _WIN32_WINNT >= 0x0603
 #include <versionhelpers.h>
 #endif
 
-#include <windows.h>
-
 namespace blink {
 
-#ifndef _WIN32_WINNT_WINBLUE
+#if _WIN32_WINNT < 0x0603
 static bool IsWindowsVistaOrGreater()
 {
     OSVERSIONINFOEXW osvi = { };
     osvi.dwOSVersionInfoSize = sizeof(osvi);
     osvi.dwMajorVersion = HIBYTE(_WIN32_WINNT_VISTA);
     osvi.dwMinorVersion = LOBYTE(_WIN32_WINNT_VISTA);
-    DWORDLONG conditoin = 0;
-    VER_SET_CONDITION(conditoin, VER_MAJORVERSION, VER_GREATER_EQUAL);
-    VER_SET_CONDITION(conditoin, VER_MINORVERSION, VER_GREATER_EQUAL);
-    return !!::VerifyVersionInfoW(&osvi, VER_MAJORVERSION | VER_MINORVERSION, conditoin);
+    DWORDLONG condition = 0;
+    VER_SET_CONDITION(condition, VER_MAJORVERSION, VER_GREATER_EQUAL);
+    VER_SET_CONDITION(condition, VER_MINORVERSION, VER_GREATER_EQUAL);
+    return !!::VerifyVersionInfoW(&osvi, VER_MAJORVERSION | VER_MINORVERSION, condition);
 }
 #endif
 
 bool isWindowsVistaOrGreater()
 {
     static bool initialized = false;
     static bool cachedIsWindowsVistaOrGreater;
 
     if (!initialized) {
         initialized = true;
         cachedIsWindowsVistaOrGreater = IsWindowsVistaOrGreater();
     }
     return cachedIsWindowsVistaOrGreater;
 }
 
 } // namespace blink