fixed timeScale formula in CvCapture_FFMPEG::setProperty(... CV_CAP_PROP_POS_...) (ticket #1207)
fixed timeScale formula in CvCapture_FFMPEG::setProperty(... CV_CAP_PROP_POS_...) (ticket #1207)

apavlenko/opencv,opencv/opencv,opencv/opencv,apavlenko/opencv,opencv/opencv,opencv/opencv,opencv/opencv,opencv/opencv,apavlenko/opencv,apavlenko/opencv,opencv/opencv,opencv/opencv,apavlenko/opencv,opencv/opencv,opencv/opencv,apavlenko/opencv