Fix STANDARDS section, which got munged during the 4.4lite merge.

Noted by Masanobu Saitoh in PR #1271.

usr.bin/logname/logname.1

@@ -1,4 +1,4 @@
-.\"	$NetBSD: logname.1,v 1.4 1994/12/22 06:33:40 jtc Exp $
+.\"	$NetBSD: logname.1,v 1.5 1995/07/25 18:31:12 jtc Exp $
 .\"
 .\" Copyright (c) 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -69,6 +69,8 @@ utility exits 0 on success, and >0 if an error occurs.
 .Sh STANDARDS
 The
 .Nm logname
+utility conforms to 
+.St -p1003.2-92 .
 .Sh HISTORY
 The
 .Nm