Make libnosys function stubs part of libnacl

src/untrusted/nacl/stubs/fsync.c

Index: src/untrusted/nacl/stubs/fsync.c
diff --git a/src/untrusted/nosys/fsync.c b/src/untrusted/nacl/stubs/fsync.c
similarity index 78%
rename from src/untrusted/nosys/fsync.c
rename to src/untrusted/nacl/stubs/fsync.c
index c63afd832d44afe40f44996544a294e22421ae8c..fad41b03eb7a3cb2553632ffecc83df6c964a46e 100644
--- a/src/untrusted/nosys/fsync.c
+++ b/src/untrusted/nacl/stubs/fsync.c
@@ -11,6 +11,3 @@ int fsync(int fd) {
   errno = ENOSYS;
   return -1;
 }
-
-#include "native_client/src/untrusted/nosys/warning.h"
-stub_warning(fsync);