message: GAPI - KW fixes
  replace "unsafe" memcpy with "safe" :) std::copy_n to make KW happy
diff: #include <opencv2/core/hal/intrin.hpp>
  #include <cmath>
  -#include <cstdlib>
  +#include <algorithm>
  namespace cv {
  namespace gapi {
  @@ -1800,12 +1800,12 @@ GAPI_FLUID_KERNEL(GFluidBayerGR2RGB, cv::gapi::imgproc::GBayerGR2RGB, false)
  if (in.y() == -1)
  {
  run_bayergr2rgb_bg_impl(dst[1], src + border_size, width);
  - std::memcpy(dst[0], dst[1], width * 3);
  + std::copy_n(dst[1], width * 3, dst[0]);
  }
  else if (in.y() == height - LPI - 2 * border_size + 1)
  {
  run_bayergr2rgb_gr_impl(dst[0], src, width);
  - std::memcpy(dst[1], dst[0], width * 3);
  + std::copy_n(dst[0], width * 3, dst[1]);
  }
  else
  {
  