Unexported WaitUntilConnected

This isn't needed now that the ChannelVoiceJoin waits
for the connection before returning, or returns an error.

voice.go

@@ -93,7 +93,7 @@ func (v *VoiceConnection) Speaking(b bool) (err error) {
 
 // WaitUntilConnected waits for the Voice Connection to
 // become ready, if it does not become ready it retuns an err
-func (v *VoiceConnection) WaitUntilConnected() error {
+func (v *VoiceConnection) waitUntilConnected() error {
 
 	i := 0
 	for {

wsapi.go

@@ -371,7 +371,7 @@ func (s *Session) ChannelVoiceJoin(gID, cID string, mute, deaf bool) (voice *Voi
 	}
 
 	// doesn't exactly work perfect yet.. TODO
-	err = voice.WaitUntilConnected()
+	err = voice.waitUntilConnected()
 	if err != nil {
 		voice.Close()
 		delete(s.VoiceConnections, gID)