From 6021704ba33278e7ef46c14e11d84b5065031296 Mon Sep 17 00:00:00 2001
From: David Howden <dhowden@gmail.com>
Date: Tue, 30 Jun 2015 08:57:03 +1000
Subject: [PATCH] Seek over next_item_id instead of reading it.

---
 sum.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sum.go b/sum.go
index f693fd9..7d38367 100644
--- a/sum.go
+++ b/sum.go
@@ -70,7 +70,7 @@ func SumAtoms(r io.ReadSeeker) (string, error) {
 		switch name {
 		case "meta":
 			// next_item_id (int32)
-			_, err := readBytes(r, 4)
+			_, err := r.Seek(4, os.SEEK_CUR)
 			if err != nil {
 				return "", err
 			}