message: workaround Embree instance handle lifetimes issues
diff: @@ -54,7 +54,9 @@ namespace ospray {
  rtcAttachGeometry(geometryScene, eInst);
  +#if 0 // NOTE(jda) - there seems to still be an Embree ref-count issue here
  rtcReleaseGeometry(eInst);
  +#endif
  numGeomInstances++;
  }
  @@ -68,7 +70,9 @@ namespace ospray {
  rtcAttachGeometry(volumeScene, eInst);
  +#if 0 // NOTE(jda) - there seems to still be an Embree ref-count issue here
  rtcReleaseGeometry(eInst);
  +#endif
  numVolumeInstances++;
  }
  