astro/wmsun: update to 1.06

Changelog: https://repo.or.cz/dockapps.git/blob_plain/HEAD:/wmsun/ChangeLog

Major changes:

• Fix typo in manpage.
• Move version number definition to Makefile
• Add 'dist' target to Makefile to generate tarball

Port changes:

• reformat Makefile to make portfmt happy
• update WWW (error 404)