editors/nvi2: Update to 2.2.2
https://github.com/lichray/nvi2/compare/v2.2.1...v2.2.2
Changes:
- New option showfilename
- Show percentage in addition to line counts in ruler
- Fixed a segfault in expandtab
- Improve POSIX-compliance when handling ex insert empty lines
- Counted-p pastes without interleaving copied content
- Code in analyzer-friendly style
- Portability fixes
Reported by: Zhihao Yuan