message: Update DistributedRaycast.ispc for VKL 0.11.0 API change.
diff: @@ -57,7 +57,7 @@ vec4f DRR_integrateVolumeInterval(const ScreenSample &sample,
  TransferFunction *uniform tf = vm->transferFunction;
  VKLIntervalIterator intervalIterator =
  - vklInitIntervalIteratorV(volume->vklVolume,
  + vklInitIntervalIteratorV(volume->vklSampler,
  (varying vkl_vec3f *)&transformedRay.org,
  (varying vkl_vec3f *)&transformedRay.dir,
  (varying vkl_range1f *)&interval.interval,
  