VOL-3052 Onu Software preliminary upgrade test from Adapter to ONU, version 1.2.5-dev168

Signed-off-by: mpagenko <michael.pagenkopf@adtran.com>
Change-Id: I5f48645fa8b392c2c79f13cf8fd0d2369bfd5ca5
diff --git a/vendor/github.com/opencord/voltha-lib-go/v4/pkg/events/events_proxy.go b/vendor/github.com/opencord/voltha-lib-go/v4/pkg/events/events_proxy.go
index a4b12f7..c4014ee 100644
--- a/vendor/github.com/opencord/voltha-lib-go/v4/pkg/events/events_proxy.go
+++ b/vendor/github.com/opencord/voltha-lib-go/v4/pkg/events/events_proxy.go
@@ -78,6 +78,8 @@
 	header.Category = category
 	if subCategory != nil {
 		header.SubCategory = *subCategory
+	} else {
+		header.SubCategory = voltha.EventSubCategory_NONE
 	}
 	header.Type = eventType
 	header.TypeVersion = eventif.EventTypeVersion