- getvfsstat(2) isn't in 2.1 but 3.0

- getffstat() -> getfsstat()

lib/libc/sys/getvfsstat.2

@@ -1,4 +1,4 @@
-.\"	$NetBSD: getvfsstat.2,v 1.2 2004/04/21 12:16:00 wiz Exp $
+.\"	$NetBSD: getvfsstat.2,v 1.3 2006/05/19 17:59:28 tsutsui Exp $
 .\"
 .\" Copyright (c) 1989, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -29,7 +29,7 @@
 .\"
 .\"	@(#)getvfsstat.2	8.3 (Berkeley) 5/25/95
 .\"
-.Dd April 14, 2004
+.Dd May 19, 2006
 .Dt GETVFSSTAT 2
 .Os
 .Sh NAME
@@ -107,8 +107,8 @@ error occurred while reading from or writing to the file system.
 The
 .Fn getvfsstat
 function first appeared in
-.Nx 2.1
+.Nx 3.0
 to replace
-.Fn getffstat
+.Fn getfsstat
 which appeared in
 .Bx 4.4 .