message: fix wrong condition check
diff: @@ -32,7 +32,7 @@ static bool checkQRInputImage(InputArray img, Mat& gray)
  return false; // image data is not enough for providing reliable results
  }
  int incn = img.channels();
  - CV_Check(incn, incn == 1 || incn == 3 || incn == 3, "");
  + CV_Check(incn, incn == 1 || incn == 3 || incn == 4, "");
  if (incn == 3 || incn == 4)
  {
  cvtColor(img, gray, COLOR_BGR2GRAY);
  