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

include/kvm.h

@@ -1,4 +1,4 @@
-/*	$NetBSD: kvm.h,v 1.15 2007/11/08 20:48:04 joerg Exp $	*/
+/*	$NetBSD: kvm.h,v 1.16 2011/09/12 21:14:29 christos Exp $	*/
 
 /*-
  * Copyright (c) 1989, 1993
@@ -82,6 +82,7 @@ kvm_t	 *kvm_open
 kvm_t	 *kvm_openfiles(const char *, const char *, const char *, int, char *);
 ssize_t	  kvm_read(kvm_t *, u_long, void *, size_t);
 ssize_t	  kvm_write(kvm_t *, u_long, const void *, size_t);
+const char *kvm_getkernelname(kvm_t *);
 
 __END_DECLS