Re: [webrtc-pc] Check that transceiver is not stopped before using.

Thanks @fluffy! I must admit I did not check very carefully, I just wanted to get an issue closed. But on closer inspection I think that if you create a transceiver, and then stop it, its `currentDirection` would never have been anything other than `null` but it is useless so we need the check introduced here.

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Received on Wednesday, 20 December 2017 09:32:23 UTC