From c3672747abd49c295fd7a3b039667f143d6902be Mon Sep 17 00:00:00 2001
From: Daniel Molina <danmolin@fdi.ucm.es>
Date: Fri, 17 Jun 2011 13:20:45 +0200
Subject: [PATCH] Add onedb history return code

---
 src/onedb/onedb.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/onedb/onedb.rb b/src/onedb/onedb.rb
index 381215648e..6aa6b5f881 100644
--- a/src/onedb/onedb.rb
+++ b/src/onedb/onedb.rb
@@ -90,6 +90,7 @@ class OneDB
 
     def history
         @backend.history
+        return 0
     end
 
     def upgrade(max_version, ops)