Fixed a race condition issue in the synthesizer state machine (#203).
Fixed a race condition issue in the synthesizer state machine (#203).

If a SPEAK-COMPLETE event arrives after a BARGE-IN-OCCURRED request has been received, the the SPEAK-COMPLETE must be dropped waiting for a response to the BARGE-IN-OCCURRED request.

unispeech/unimrcp,unispeech/unimrcp,unispeech/unimrcp