Make libnosys function stubs part of libnacl

src/untrusted/nacl/stubs/truncate.c

Index: src/untrusted/nacl/stubs/truncate.c
diff --git a/src/untrusted/nosys/truncate.c b/src/untrusted/nacl/stubs/truncate.c
similarity index 82%
rename from src/untrusted/nosys/truncate.c
rename to src/untrusted/nacl/stubs/truncate.c
index 2888a425aca1abaded77cd5f0de613f77df25d6e..0aa0f4243d10a6a156fa7a24acf430c1cb5ac2bf 100644
--- a/src/untrusted/nosys/truncate.c
+++ b/src/untrusted/nacl/stubs/truncate.c
@@ -17,6 +17,3 @@ int truncate(const char *path, off_t length) {
   errno = ENOSYS;
   return -1;
 }
-
-#include "native_client/src/untrusted/nosys/warning.h"
-stub_warning(truncate);