Make libnosys function stubs part of libnacl

src/untrusted/nacl/stubs/getpwuid_r.c

Index: src/untrusted/nacl/stubs/getpwuid_r.c
diff --git a/src/untrusted/nosys/getpwuid_r.c b/src/untrusted/nacl/stubs/getpwuid_r.c
similarity index 84%
rename from src/untrusted/nosys/getpwuid_r.c
rename to src/untrusted/nacl/stubs/getpwuid_r.c
index 8ea447de0d772426ace74d17fedaadfb1591c354..35fc44f7d81378472aafecb9f407ef04ca65cd14 100644
--- a/src/untrusted/nosys/getpwuid_r.c
+++ b/src/untrusted/nacl/stubs/getpwuid_r.c
@@ -17,6 +17,3 @@ int getpwuid_r(uid_t uid, struct passwd * pwbuf,
                char *buf, size_t buflen, struct passwd **pwbufp) {
   return ENOSYS;
 }
-
-#include "native_client/src/untrusted/nosys/warning.h"
-stub_warning(getpwuid_r);