message: fix ospTutorialImageOp public param
diff: @@ -61,7 +61,7 @@ int main(int argc, const char **argv)
  OSPData geomInstances =
  ospNewData(instanceHandles.size(), OSP_OBJECT, instanceHandles.data());
  - ospSetData(world, "instances", geomInstances);
  + ospSetData(world, "instance", geomInstances);
  ospRelease(geomInstances);
  for (auto inst : instanceHandles)
  @@ -75,7 +75,7 @@ int main(int argc, const char **argv)
  //ospSetInt(renderer, "aoSamples", 0);
  OSPData lightsData = ospTestingNewLights("ambient_only");
  - ospSetData(renderer, "lights", lightsData);
  + ospSetData(renderer, "light", lightsData);
  ospRelease(lightsData);
  ospCommit(renderer);
  