[mhonarc] bug fix: import errno

[Olav Vitters <ovitters src gnome org>]

commit b696399efd79ecfa4fb456f24f2354a25380e191
Author: Olav Vitters <olav vitters nl>
Date:   Mon Feb 18 20:55:26 2013 +0100

    bug fix: import errno

 archive.py |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/archive.py b/archive.py
index 5eb1fc8..ba623d7 100755
--- a/archive.py
+++ b/archive.py
@@ -13,6 +13,7 @@ import email.utils
 import tempfile
 import shutil
 import subprocess
+import errno
 
 sys.path.append('/usr/lib/mailman/bin')