Merge "Make a sized Empty flatbuffer legal"
diff --git a/aos/flatbuffers.h b/aos/flatbuffers.h
index 90742c3..68a8ad5 100644
--- a/aos/flatbuffers.h
+++ b/aos/flatbuffers.h
@@ -386,7 +386,7 @@
flatbuffers::FlatBufferBuilder fbb;
fbb.ForceDefaults(true);
const auto end = fbb.EndTable(fbb.StartTable());
- fbb.Finish(flatbuffers::Offset<flatbuffers::Table>(end));
+ fbb.FinishSizePrefixed(flatbuffers::Offset<flatbuffers::Table>(end));
flatbuffers::DetachedBuffer result = fbb.Release();
std::swap(result, buffer_);
return result;