Fixed some references leaks in sys.
diff --git a/Python/import.c b/Python/import.c
index 71ec20a..0b0d810 100644
--- a/Python/import.c
+++ b/Python/import.c
@@ -370,6 +370,8 @@
 	"exc_type", "exc_value", "exc_traceback",
 	"last_type", "last_value", "last_traceback",
 	"path_hooks", "path_importer_cache", "meta_path",
+	/* misc stuff */
+	"flags", "float_info",
 	NULL
 };