Service: clear error on stop

src/AprsService.scala

@@ -192,6 +192,7 @@ class AprsService extends Service {
 
 	override def onDestroy() {
 		running = false
+		link_error = 0
 		// catch FC when service is killed from outside
 		if (poster != null) {
 			poster.stop()

src/MainListActivity.scala

@@ -42,6 +42,7 @@ class MainListActivity(actname : String, menuid : Int) extends LoadingListActivi
 		setVolumeControls()
 
 		registerReceiver(miclReceiver, new IntentFilter(AprsService.MICLEVEL))
+		registerReceiver(linkOnOffReceiver, new IntentFilter(AprsService.SERVICE_STOPPED))
 		registerReceiver(linkOnOffReceiver, new IntentFilter(AprsService.LINK_OFF))
 		registerReceiver(linkOnOffReceiver, new IntentFilter(AprsService.LINK_ON))
 	}