suppress warning on win8.1 sdk

Author: sgraham

src/disk_interface.cc

@@ -82,13 +82,16 @@ TimeStamp StatSingleFile(const string& path, bool quiet) {
   return TimeStampFromFileTime(attrs.ftLastWriteTime);
 }
 
+#pragma warning(push)
+#pragma warning(disable: 4996)  // GetVersionExA is deprecated post SDK 8.1.
 bool IsWindows7OrLater() {
   OSVERSIONINFO version_info = { sizeof(version_info) };
   if (!GetVersionEx(&version_info))
     Fatal("GetVersionEx: %s", GetLastErrorString().c_str());
   return version_info.dwMajorVersion > 6 ||
          version_info.dwMajorVersion == 6 && version_info.dwMinorVersion >= 1;
 }
+#pragma warning(pop)
 
 bool StatAllFilesInDir(const string& dir, map<string, TimeStamp>* stamps,
                        bool quiet) {