From a4d3f2da3d0c5bf19b6bd924df72d7b2484b9f79 Mon Sep 17 00:00:00 2001
From: chrislusf <chris.lu@gmail.com>
Date: Wed, 8 Jul 2015 23:21:53 -0700
Subject: [PATCH] Avoid nil case when fixing data

---
 go/storage/needle_read_write.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/go/storage/needle_read_write.go b/go/storage/needle_read_write.go
index 9a9f63ddb..eb2d8d459 100644
--- a/go/storage/needle_read_write.go
+++ b/go/storage/needle_read_write.go
@@ -120,7 +120,7 @@ func (n *Needle) Append(w io.Writer, version Version) (size uint32, err error) {
 					return
 				}
 			}
-			if n.HasTtl() {
+			if n.HasTtl() && n.Ttl != nil {
 				n.Ttl.ToBytes(header[0:TtlBytesLength])
 				if _, err = w.Write(header[0:TtlBytesLength]); err != nil {
 					return