message: videoio: return -1 is incorrect for function with 'bool' result
diff: @@ -1722,7 +1722,7 @@ static bool icvSetControl (CvCaptureCAM_V4L* capture,
  fprintf(stderr,
  "VIDEOIO ERROR: V4L2: setting property #%d is not supported\n",
  property_id);
  - return -1;
  + return false;
  }
  /* get the min/max values */
  