Make libnosys function stubs part of libnacl

src/untrusted/nosys/pselect.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 `pselect' for porting support.
- */
-
-#include <sys/time.h>
-#include <sys/types.h>
-#include <sys/signal.h>
-#include <unistd.h>
-#include <errno.h>
-
-int pselect(int n, fd_set *readfds, fd_set *writefds, fd_set *exceptfds,
-           const struct timespec *timeout, const sigset_t *sigmask) {
-  errno = ENOSYS;
-  return -1;
-}
-
-#include "native_client/src/untrusted/nosys/warning.h"
-stub_warning(pselect);