sysutils/vcp: Unbreak and set maintainer
- fix build with -fno-common
- simplify Makefile
- remove outdated WWW
- fix plist and install Polish man page
- fix bug when char is unsigned
- mirror distfile on my own site for redundancy
- take maintainership over this unmaintained port
PR: 267595
Reported by: fuz@fuz.su (maintainer)
MFH: 2022Q4 (build fix)
(cherry picked from commit da3273f7c3c3f577dbaba14c06c689a81113a949)