message: Fix compiling CUDA unified memory example
diff: @@ -83,7 +83,7 @@ struct raytracing_kernel
  result_record<float> result;
  result.hit = hr.hit;
  result.color = hr.hit ? vec4(1.0f) : vec4(0.0f);
  - result.isect_pos = r.ori + r.dir * hr.t;
  + result.depth = hr.t;
  return result;
  }
  