events: reset logged event

Otherwise, if we log a first app_layer_event, then reset
with AppLayerDecoderEventsResetEvents for a new packet,
then get another event, it does not get logged

Ticket: #5391
(cherry picked from commit b0298dd046)

src/app-layer-events.c

@@ -140,8 +140,10 @@ void AppLayerDecoderEventsSetEvent(Flow *f, uint8_t event)
 
 void AppLayerDecoderEventsResetEvents(AppLayerDecoderEvents *events)
 {
-    if (events != NULL)
+    if (events != NULL) {
         events->cnt = 0;
+        events->event_last_logged = 0;
+    }
 }