Fix for image servcie v2 client

Change-Id: Ic316efe884ed7640c460d3e71024f06729a3880e
diff --git a/openstack/client.go b/openstack/client.go
index f9c7357..b06a981 100644
--- a/openstack/client.go
+++ b/openstack/client.go
@@ -340,5 +340,7 @@
 	if err != nil {
 		return nil, err
 	}
-	return &gophercloud.ServiceClient{ProviderClient: client, Endpoint: url, ResourceBase: url + "v2.0/"}, nil
+	return &gophercloud.ServiceClient{ProviderClient: client,
+		Endpoint:     url,
+		ResourceBase: url + "v2/"}, nil
 }