Make libnosys function stubs part of libnacl

src/untrusted/nosys/lchown.c

Index: src/untrusted/nosys/lchown.c
diff --git a/src/untrusted/nosys/lchown.c b/src/untrusted/nosys/lchown.c
deleted file mode 100644
index 42465491e8f761f312e28483c3f86d3833c07d23..0000000000000000000000000000000000000000
--- a/src/untrusted/nosys/lchown.c
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- * 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 `lchown' for porting support.
- */
-
-#include <sys/types.h>
-#include <unistd.h>
-#include <errno.h>
-
-int lchown(const char *path, uid_t owner, gid_t group) {
-  errno = ENOSYS;
-  return -1;
-}
-
-#include "native_client/src/untrusted/nosys/warning.h"
-stub_warning(lchown);