Log Message:
Update to 2.0.2:

2.0.2

- Bug #16598: address the lack of TLS for sone platforms.

2.0.1

- Bug #14612: no stdbool.h for Sun compilers.
- Bug #14613: check for iconv() const-ness.
- Make the error checking more robust.
- Make error code thread-safe (ie local to the thread).