Navigator: Allow 200 ms wait time

src/modules/navigator/navigator_main.cpp

@@ -332,8 +332,8 @@ Navigator::task_main()
 
 	while (!_task_should_exit) {
 
-		/* wait for up to 100ms for data */
-		int pret = px4_poll(&fds[0], (sizeof(fds) / sizeof(fds[0])), 100);
+		/* wait for up to 200ms for data */
+		int pret = px4_poll(&fds[0], (sizeof(fds) / sizeof(fds[0])), 200);
 
 		if (pret == 0) {
 			/* timed out - periodic check for _task_should_exit, etc. */