message: Fixes 'window_size' may be used uninitialized
diff: @@ -42,7 +42,7 @@ class GroupByWindowDatasetOp : public UnaryDatasetOpKernel {
  void MakeDataset(OpKernelContext* ctx, DatasetBase* input,
  DatasetBase** output) override {
  - int64 window_size;
  + int64 window_size = 0;
  OP_REQUIRES_OK(
  ctx, ParseScalarArgument<int64>(ctx, "window_size", &window_size));
  OP_REQUIRES(
  