remove the tls.Config from the quic.Config

The tls.Config now is a separate parameter to all Listen and Dial
functions in the quic package.

h2quic/client.go

@@ -28,7 +28,8 @@ type roundTripperOpts struct {
 type client struct {
 	mutex sync.RWMutex
 
-	dialAddr func(hostname string, config *quic.Config) (quic.Session, error)
+	dialAddr func(hostname string, tlsConf *tls.Config, config *quic.Config) (quic.Session, error)
+	tlsConf  *tls.Config
 	config   *quic.Config
 	opts     *roundTripperOpts
 
@@ -55,8 +56,8 @@ func newClient(tlsConfig *tls.Config, hostname string, opts *roundTripperOpts) *
 		hostname:        authorityAddr("https", hostname),
 		responses:       make(map[protocol.StreamID]chan *http.Response),
 		encryptionLevel: protocol.EncryptionUnencrypted,
+		tlsConf:         tlsConfig,
 		config: &quic.Config{
-			TLSConfig:                     tlsConfig,
 			RequestConnectionIDTruncation: true,
 		},
 		opts:          opts,
@@ -67,7 +68,7 @@ func newClient(tlsConfig *tls.Config, hostname string, opts *roundTripperOpts) *
 // dial dials the connection
 func (c *client) dial() error {
 	var err error
-	c.session, err = c.dialAddr(c.hostname, c.config)
+	c.session, err = c.dialAddr(c.hostname, c.tlsConf, c.config)
 	if err != nil {
 		return err
 	}