Log Message:
Update to 4.6.2, based on patch provided by Yair K. in PR 46762.
Additional cleanups (config file, perl path, desktopdb).

Changes:
The changelog is very long, but it can summarized by saying the
pkgsrc supplied version is so old it isn't on the gnu sites anymore.
Some of the changes include: chess variant support, PGN variations,
fifty-move counter, move history, engine selection and output
windows, user-based settings, translations, position search, figurine
chess fonts and so on.