attitude_estimator_q: fix newline at end of file

src/modules/attitude_estimator_q/attitude_estimator_q_main.cpp

@@ -742,4 +742,4 @@ int attitude_estimator_q_main(int argc, char *argv[])
 
 	warnx("unrecognized command");
 	return 1;
-}
\ No newline at end of file
+}