reserved identifier violation

[elfring]

I would like to point out that identifiers like “__XAVS2ENC_H__” and “_U_” do not fit to the expected naming convention of the C++ language standard.
Would you like to adjust your selection for unique names?

[luofalei]

Does it mean that we should revise the identifiers like __XAVS2ENC_H__ to XAVS2ENC_H by removing leading and trailing underscores? Thank you.

[luofalei]

@elfring Thanks for your suggestion, the identifiers has been fixed.

[elfring]

Thanks for your source code improvement.

Another update candidate was left over.