[NO RELEASE NOTE NEEDED] Error message refers to gtm_chset when it should say ydb_chset/gtm_chset

Final Release Note

Description

The LOADINVCHSET message says LOADINVCHSET, Extract file CHSET xxx is incompatible with gtm_chset. It should say LOADINVCHSET, Extract file CHSET xxx is incompatible with ydb_chset/gtm_chset since YottaDB may be in UTF-8 mode as a consequence of one or the other environment variable.

Draft Release Note

No release note needed as this is a minor cosmetic change to the text accompanying an error, with neither a functional change nor a change to the mnemonic. [#538 (closed)]