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/arch/arm/hardfloat/fpgetround.c

@@ -1,4 +1,4 @@
-/*	$NetBSD: fpgetround.c,v 1.4 2006/02/25 02:28:55 wiz Exp $	*/
+/*	$NetBSD: fpgetround.c,v 1.5 2012/06/24 15:26:02 christos Exp $	*/
 
 /*
  * Copyright (c) 1996 Mark Brinicombe
@@ -33,7 +33,7 @@
 
 #include <sys/cdefs.h>
 #if defined(LIBC_SCCS) && !defined(lint)
-__RCSID("$NetBSD: fpgetround.c,v 1.4 2006/02/25 02:28:55 wiz Exp $");
+__RCSID("$NetBSD: fpgetround.c,v 1.5 2012/06/24 15:26:02 christos Exp $");
 #endif /* LIBC_SCCS and not lint */
 
 #include "namespace.h"
@@ -65,7 +65,7 @@ __weak_alias(fpgetround,_fpgetround)
  */
 
 fp_rnd
-fpgetround()
+fpgetround(void)
 {
 
 	return(FP_RN);