[sysadmin-bin] fix typo accessing doap info

[Olav Vitters <ovitters src gnome org>]

commit 466c5afd37993c22cb5827434f4f248a22cb46f8
Author: Olav Vitters <olav vitters nl>
Date:   Tue Jan 20 22:27:34 2015 +0100

    fix typo accessing doap info

 ftpadmin |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/ftpadmin b/ftpadmin
index fe74294..7510646 100755
--- a/ftpadmin
+++ b/ftpadmin
@@ -315,7 +315,7 @@ class DOAP(BasicInfo):
         self._init_doap()
 
     def get_module(self, tarball):
-        modules = self.doap.tarball_to_module.get(tarball, [])
+        modules = self.tarball_to_module.get(tarball, [])
         if not modules: modules.append(tarball)
 
         if len(modules) == 1: