message: Fix
  Fix overflow bugs in conversion from NV12 VA-surface/D3D11texture2D to OpenCL UMat
diff: @@ -92,9 +92,9 @@ void YUV2BGR_NV12_8u(
  int x = get_global_id(0);
  int y = get_global_id(1);
  - if (x < cols)
  + if (x + 1 < cols)
  {
  - if (y < rows)
  + if (y + 1 < rows)
  {
  __global uchar* pDstRow1 = pBGR + mad24(y, bgrStep, mad24(x, NCHANNELS, 0));
  __global uchar* pDstRow2 = pDstRow1 + bgrStep;
  