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/stdlib/remque.c

@@ -28,7 +28,7 @@
 
 #include <sys/cdefs.h>
 #if defined(LIBC_SCCS) && !defined(lint)
-__RCSID("$NetBSD: remque.c,v 1.2 2005/07/06 17:17:15 drochner Exp $");
+__RCSID("$NetBSD: remque.c,v 1.3 2012/06/25 22:32:45 abs Exp $");
 #endif /* LIBC_SCCS and not lint */
 
 #include <assert.h>
@@ -40,8 +40,7 @@ struct qelem {
 };
 
 void
-remque(element)
-	void *element;
+remque(void *element)
 {
 	struct qelem *e = (struct qelem *) element;