git: Upgrade vi(1). 1/2

Wed Sep 9 00:45:04 PDT 2020

commit 07bc39c2f4bbca56f12568e06d89da17f2eeb965
Merge: 3ef50234df b1ac2ebbae
Author: Daniel Fojt <df at neosystem.org>
Date:   Wed Sep 9 08:36:13 2020 +0200

    Upgrade vi(1). 1/2

    Merge branch 'vendor/NVI2' into master.

Summary of changes:

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/07bc39c2f4bbca56f12568e06d89da17f2eeb965

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DragonFly BSD source repository