Make libnosys function stubs part of libnacl

src/untrusted/nacl/stubs/ioctl-stub.c

 /*
  * Copyright 2010 The Native Client Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can
  * be found in the LICENSE file.
  */
 
 
 /*
  * Stub routine for `ioctl' for porting support.
  */
 
 #include <errno.h>
 
 int ioctl(int d, int request, ...) {
   errno = ENOSYS;
   return -1;
 }
-
-#include "native_client/src/untrusted/nosys/warning.h"
-stub_warning(ioctl);