From a235fe068b912fad0312ebb6a5681948e94483a2 Mon Sep 17 00:00:00 2001
From: Thibaut <thibaut@me.com>
Date: Sat, 14 Feb 2015 11:13:21 -0500
Subject: [PATCH] Fix exception in DB#onUpgradeNeeded

---
 assets/javascripts/app/db.coffee | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/assets/javascripts/app/db.coffee b/assets/javascripts/app/db.coffee
index e6c0c7f1..51fb1fa9 100644
--- a/assets/javascripts/app/db.coffee
+++ b/assets/javascripts/app/db.coffee
@@ -55,7 +55,7 @@ class app.DB
     return
 
   onUpgradeNeeded: (event) ->
-    db = event.target.result
+    return unless db = event.target.result
 
     unless db.objectStoreNames.contains('docs')
       db.createObjectStore('docs')