Make libnosys function stubs part of libnacl

src/untrusted/nosys/execl.c

Index: src/untrusted/nosys/execl.c
diff --git a/src/untrusted/nosys/execl.c b/src/untrusted/nosys/execl.c
deleted file mode 100644
index 76e2a5a3255a41dbb3a4128e3515bafdea408c80..0000000000000000000000000000000000000000
--- a/src/untrusted/nosys/execl.c
+++ /dev/null
@@ -1,20 +0,0 @@
-/*
- * Copyright (c) 2012 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 `execl' for porting support.
- */
-
-#include <unistd.h>
-#include <errno.h>
-
-int execl(const char *path, const char *arg, ...) {
-  errno = ENOSYS;
-  return -1;
-}
-
-#include "native_client/src/untrusted/nosys/warning.h"
-stub_warning(execl);