message: Small corrections to Orbbec Astra cameras tutorial
diff: @@ -25,10 +25,10 @@ struct Frame
  int main()
  {
  //! [Open streams]
  - // Open color stream
  - VideoCapture colorStream(CAP_V4L2);
  // Open depth stream
  VideoCapture depthStream(CAP_OPENNI2_ASTRA);
  + // Open color stream
  + VideoCapture colorStream(0, CAP_V4L2);
  //! [Open streams]
  // Check that stream has opened
  