message: videoio: repair build of FFmpeg windows wrapper
diff: @@ -484,7 +484,6 @@ struct CvCapture_FFMPEG
  bool setProperty(int, double);
  bool grabFrame();
  bool retrieveFrame(int, unsigned char** data, int* step, int* width, int* height, int* cn);
  - void rotateFrame(cv::Mat &mat) const;
  void init();
  