mysugar

The unused `resp.Body` should be `Close() ` and `read` , or `http.Client `will make many new connections. [here the code](https://github.com/genuinetools/reg/blob/65b2c0329da5b239a259f309a7ed8506be1508f6/registry/tokentransport.go#L21) I think it should like ``` func (t *TokenTransport) RoundTrip(req...