K 10
svn:author
V 7
git2svn
K 8
svn:date
V 27
2021-04-20T08:23:46.737874Z
K 7
svn:log
V 431
Explain the newfs naming convention

It might be unclear why newfs and newfs_msdos should cross-reference
each other. Add a note explaining it.

This is a follow-up to 74bd20769706041108a573601cf0b61c755bdc56.

Reported by:	kib
Reviewed by:    imp, kib, rpokala
MFC after:	3 days

(cherry picked from commit 5b9b65e92fb40703038cbcf61feb4616c42e0b6e)

Git Hash:   5d42c19f1fe2f0745869a6b7b269a747f203362c
Git Author: 0mp@FreeBSD.org
END