util: Fix up indentation in the generated format tables code.

I did this as a separate commit to make the previous one more reviewable.

Acked-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5826>
1 file changed