ocl: fix cleanup on Windows platform (for clAmdBlas/clAmdFft)
ocl: fix cleanup on Windows platform (for clAmdBlas/clAmdFft)

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