Correct the provenance of finger.1 and show the link that it was part of

2BSD (from Marcin F. Michalski)

usr.bin/finger/finger.1

@@ -1,4 +1,4 @@
-.\"	$NetBSD: finger.1,v 1.16 2012/06/10 17:45:59 dholland Exp $
+.\"	$NetBSD: finger.1,v 1.17 2014/12/26 03:49:00 christos Exp $
 .\"
 .\" Copyright (c) 1989, 1990, 1993, 1994
 .\"	The Regents of the University of California.  All rights reserved.
@@ -29,7 +29,7 @@
 .\"
 .\"	from: @(#)finger.1	8.3 (Berkeley) 5/5/94
 .\"
-.Dd June 10, 2012
+.Dd December 25, 2014
 .Dt FINGER 1
 .Os
 .Sh NAME
@@ -210,4 +210,5 @@ last login data base
 The
 .Nm
 command appeared in
-.Bx 3.0 .
+.Bx 3.0 :
+.Lk ftp://ftp.tuhs.org.ua/PDP-11/Distributions/ucb/2bsd.tar.gz