Fix unpack multiple layers

coolljt0725 · coolljt0725 · commit a832e3c48884 · 2016-09-07T19:38:47.000+08:00
Signed-off-by: Lei Jitang &lt;leijitang@huawei.com&gt;
diff --git a/image/manifest.go b/image/manifest.go
@@ -112,7 +112,6 @@ func (m *manifest) unpack(w walker, dest string) error {
 		case nil:
 			return fmt.Errorf("%s: layer not found", dest)
 		case errEOW:
-			return nil
 		default:
 			return err
 		}

Original file line number	Diff line number	Diff line change
`@@ -112,7 +112,6 @@ func (m *manifest) unpack(w walker, dest string) error {`
`112`	`112`	`case nil:`
`113`	`113`	`return fmt.Errorf("%s: layer not found", dest)`
`114`	`114`	`case errEOW:`
`115`		`- return nil`
`116`	`115`	`default:`
`117`	`116`	`return err`
`118`	`117`	`}`