From 854039b6ba9c707af07f9966b39150ce23150920 Mon Sep 17 00:00:00 2001
From: Victor Vieux <victor.vieux@dotcloud.com>
Date: Mon, 3 Jun 2013 17:25:51 +0000
Subject: [PATCH] remove TrimLeft as it's go1.1

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

diff --git a/changes.go b/changes.go
index e50b88758a..dc1b015726 100644
--- a/changes.go
+++ b/changes.go
@@ -65,7 +65,7 @@ func Changes(layers []string, rw string) ([]Change, error) {
 		file := filepath.Base(path)
 		// If there is a whiteout, then the file was removed
 		if strings.HasPrefix(file, ".wh.") {
-			originalFile := strings.TrimPrefix(file, ".wh.")
+			originalFile := file[len(".wh."):]
 			change.Path = filepath.Join(filepath.Dir(path), originalFile)
 			change.Kind = ChangeDelete
 		} else {