fix typo

src/modules/commander/commander.cpp

@@ -1314,7 +1314,7 @@ int commander_thread_main(int argc, char *argv[])
 			if (pos_sp_triplet.geofence_violated || pos_sp_triplet.flight_termination) {
 				//XXX: make this configurable to select different actions (e.g. navigation modes)
 				/* this will only trigger if geofence is activated via param and a geofence file is present, also there is a circuit breaker to disable the actual flight termination in the px4io driver */
-				armed.fosrce_failsafe = true;
+				armed.force_failsafe = true;
 				status_changed = true;
 				warnx("Flight termination");
 			} // no reset is done here on purpose, on geofence violation we want to stay in flighttermination