Libraries updates and cleanup

* Updating common/lib
 * Updating lib/csu
 * Updating lib/libc
 * Updating libexec/ld.elf_so
 * Corrected test on __minix in featuretest to actually follow the
   meaning of the comment.
 * Cleaned up _REENTRANT-related defintions.
 * Disabled -D_REENTRANT for libfetch
 * Removing some unneeded __NBSD_LIBC defines and tests

Change-Id: Ic1394baef74d11b9f86b312f5ff4bbc3cbf72ce2

lib/libc/sys/chflags.2

@@ -1,4 +1,4 @@
-.\"	$NetBSD: chflags.2,v 1.26 2010/05/31 12:16:20 njoly Exp $
+.\"	$NetBSD: chflags.2,v 1.27 2011/08/06 11:28:24 jruoho Exp $
 .\"
 .\" Copyright (c) 1989, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -29,7 +29,7 @@
 .\"
 .\"	@(#)chflags.2	8.3 (Berkeley) 5/2/95
 .\"
-.Dd May 2, 1995
+.Dd August 6, 2011
 .Dt CHFLAGS 2
 .Os
 .Sh NAME
@@ -172,6 +172,7 @@ error occurred while reading from or writing to the file system.
 .Sh SEE ALSO
 .Xr chflags 1 ,
 .Xr stat 2 ,
+.Xr stat_flags 3 ,
 .Xr init 8 ,
 .Xr mount_union 8
 .Sh HISTORY