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/gen/valloc.c

@@ -1,4 +1,4 @@
-/*	$NetBSD: valloc.c,v 1.10 2003/08/07 16:42:59 agc Exp $	*/
+/*	$NetBSD: valloc.c,v 1.11 2012/06/25 22:32:44 abs Exp $	*/
 
 /*
  * Copyright (c) 1980, 1993
@@ -34,7 +34,7 @@
 #if 0
 static char sccsid[] = "@(#)valloc.c	8.1 (Berkeley) 6/4/93";
 #else
-__RCSID("$NetBSD: valloc.c,v 1.10 2003/08/07 16:42:59 agc Exp $");
+__RCSID("$NetBSD: valloc.c,v 1.11 2012/06/25 22:32:44 abs Exp $");
 #endif
 #endif /* LIBC_SCCS and not lint */
 
@@ -47,8 +47,7 @@ __weak_alias(valloc,_valloc)
 #endif
 
 void *
-valloc(i)
-	size_t i;
+valloc(size_t i)
 {
 	long valsiz = getpagesize(), j;
 	void *cp = malloc((size_t)(i + (valsiz-1)));