Update nvi to 2.2.0-05ed8b9

This version incorporates many fixes in particular a fix for vi -w
Another approach was proposed to merge those fixes (see review), I find
it easier to track changes if we keep importing snapshot on regular
basis

PR: 241985
Reported by: fernape
Differential Revision: https://reviews.freebsd.org/D26158

(cherry picked from commit 755cc40c21ca63388c6a67ba848a908b429e9391)