use getbuiltins() everywhere, it defaults to getbuiltidict()
diff --git a/Python/pythonrun.c b/Python/pythonrun.c
index a25cbba..11bd029 100644
--- a/Python/pythonrun.c
+++ b/Python/pythonrun.c
@@ -100,7 +100,7 @@
 		fatal("can't create __main__ module");
 	d = getmoduledict(m);
 	if (dictlookup(d, "__builtins__") == NULL) {
-		if (dictinsert(d, "__builtins__", getbuiltindict()))
+		if (dictinsert(d, "__builtins__", getbuiltins()))
 			fatal("can't add __builtins__ to __main__");
 	}
 }