bin/130874: [patch] fix typo in nvi(1) (subsitution -> substitution)

[jh at FreeBSD.org]

Synopsis: [patch] fix typo in nvi(1) (subsitution -> substitution)

Responsible-Changed-From-To: freebsd-bugs->jh
Responsible-Changed-By: jh
Responsible-Changed-When: Tue May 4 15:41:34 UTC 2010
Responsible-Changed-Why: 
Take.

http://www.freebsd.org/cgi/query-pr.cgi?pr=130874