more __all__ updates
diff --git a/Lib/filecmp.py b/Lib/filecmp.py
index ec6e1ff..3018762 100644
--- a/Lib/filecmp.py
+++ b/Lib/filecmp.py
@@ -13,6 +13,8 @@
 import stat
 import statcache
 
+__all__ = ["cmp","dircmp","cmpfiles"]
+
 _cache = {}
 BUFSIZE=8*1024