message: spacing fixed.
diff: @@ -84,6 +84,7 @@ class ImagePreprocessor : public Preprocessor {
  private:
  using Preprocessor::Preprocessor;
  +
  // Returns false if image preprocessing could be skipped, true otherwise.
  bool IsImagePreprocessingNeeded(const vision::FrameBuffer& frame_buffer,
  const vision::BoundingBox& roi);
  