[FL-1513] Fix IRDA crash (#557)

applications/irda/irda-app-transceiver.hpp

@@ -12,6 +12,7 @@ public:
     void send_message(const IrdaMessage* message) const;
 
 private:
+    bool capture_started;
     osMessageQueueId_t event_queue;
     static void irda_rx_callback(void* ctx, bool level, uint32_t duration);
     IrdaHandler* decoder;