message: small fix outputCamXfm
diff: @@ -192,7 +192,7 @@ namespace ospray {
  useCameraXfm = camId == node.child("cameraId").valueAs<int>();
  if (camXfm && useCameraXfm) {
  auto &outputCamXfm = *camXfm;
  - outputCamXfm = outputCamXfm * xfms.top();
  + outputCamXfm = xfms.top();
  }
  } break;
  default:
  