message: fix description of setTrackbarMin
diff: @@ -592,7 +592,7 @@ panel.
  @param trackbarname Name of the trackbar.
  @param winname Name of the window that is the parent of trackbar.
  -@param minval New maximum position.
  +@param minval New minimum position.
  */
  CV_EXPORTS_W void setTrackbarMin(const String& trackbarname, const String& winname, int minval);
  