Change new(type) to &type{} to keep with package convention

conn.go

@@ -390,7 +390,7 @@ func (c *Conn) upgradeTLS(tlsConf *tls.Config) error {
 	}
 
 	// create a local copy of the config to set ServerName for this connection
-	conf := new(tls.Config)
+	conf := &tls.Config{}
 	if tlsConf != nil {
 		conf = tlsConf.Clone()
 	}