message: fix multiband_blend.cu build error in issue opencv_contrib#1012
diff: @@ -90,7 +90,7 @@ namespace cv { namespace cuda { namespace device
  if (x < width && y < height)
  {
  - static const float WEIGHT_EPS = 1e-5f;
  + const float WEIGHT_EPS = 1e-5f;
  const short3 v = ((short3*)src.ptr(y))[x];
  float w = weight.ptr(y)[x];
  ((short3*)src.ptr(y))[x] = make_short3(static_cast<short>(v.x / (w + WEIGHT_EPS)),
  