message: add PLATFORM_WINDOWS to stream_executor\platform\platform.h
diff: @@ -16,6 +16,8 @@ limitations under the License.
  #ifndef TENSORFLOW_COMPILER_XLA_SERVICE_HLO_EVALUATOR_H_
  #define TENSORFLOW_COMPILER_XLA_SERVICE_HLO_EVALUATOR_H_
  +#define _USE_MATH_DEFINES
  +
  #include <functional>
  #include <memory>
  