message: i9403: Removing checks from trackbar min/max set functions.
  Removing unnecessary range checks for QT backend support's setTrackbarMin and setTrackbarMax fucntions
  Fixes
diff: @@ -672,33 +672,23 @@ CV_IMPL void cvSetTrackbarPos(const char* name_bar, const char* window_name, int
  CV_IMPL void cvSetTrackbarMax(const char* name_bar, const char* window_name, int maxval)
  -{
  - if (maxval >= 0)
  {
  QPointer<CvTrackbar> t = icvFindTrackBarByName(name_bar, window_name);
  if (t)
  {
  - int minval = t->slider->minimum();
  - maxval = (maxval>minval)?maxval:minval;
  t->slider->setMaximum(maxval);
  }
  }
  -}
  CV_IMPL void cvSetTrackbarMin(const char* name_bar, const char* window_name, int minval)
  -{
  - if (minval >= 0)
  {
  QPointer<CvTrackbar> t = icvFindTrackBarByName(name_bar, window_name);
  if (t)
  {
  - int maxval = t->slider->maximum();
  - minval = (maxval<minval)?maxval:minval;
  t->slider->setMinimum(minval);
  }
  }
  -}
  /* assign callback for mouse events */
  