Resolves threading issue in ChannelState.

Resolves issue in tuner controller where controller was not releasing
sourced tuner channels, preventing re-tuning to other frequencies.
Resolves issue with channel timeout on MPT1327 monitored traffic
channels

src/module/decode/state/DecoderStateEvent.java

@@ -56,6 +56,7 @@ public class DecoderStateEvent
 	public enum Event
 	{
 		ALWAYS_UNSQUELCH,
+		CHANGE_CALL_TIMEOUT,
 		CONTINUATION,
 		DECODE,
 		END,