Remove vet warning in pubsub example code.
@@ -127,7 +127,7 @@
// send and flush a subscription management command. The receive method
// converts a pushed message to convenient types for use in a type switch.
//
-// psc := redis.PubSubConn{c}
+// psc := redis.PubSubConn{Conn: c}
// psc.Subscribe("example")
// for {
// switch v := psc.Receive().(type) {