Fix decode tags value error when call get /v2/<name>/tags/list in registry api v2.

Signed-off-by: Meaglith Ma <genedna@gmail.com>
Upstream-commit: 221e9624e3a7a7a9b81ffda9930657352080e32d
Component: engine

components/engine/registry/session_v2.go

@@ -352,8 +352,8 @@ func (r *Session) PutV2ImageManifest(ep *Endpoint, imageName, tagName string, si
 }
 
 type remoteTags struct {
-	name string
-	tags []string
+	Name string
+	Tags []string
 }
 
 // Given a repository name, returns a json array of string tags
@@ -393,5 +393,5 @@ func (r *Session) GetV2RemoteTags(ep *Endpoint, imageName string, auth *RequestA
 	if err != nil {
 		return nil, fmt.Errorf("Error while decoding the http response: %s", err)
 	}
-	return remote.tags, nil
+	return remote.Tags, nil
 }