patch to avoid false positive crashes in the FRRouting fuzzing branch, fixes https://github.com/FRRouting/frr/issues/14387

FRR_fuzzing_exit.diff

diff --git a/lib/frrevent.h b/lib/frrevent.h
index 16ed12038..b70960f58 100644
--- a/lib/frrevent.h
+++ b/lib/frrevent.h
@@ -299,6 +299,7 @@ void debug_signals(const sigset_t *sigs);
 
 static inline void event_ignore_late_timer(struct event *event)
 {
+        exit(0);
        event->ignore_timer_late = true;
 }