[VOL-4293] OpenONU Adapter update for gRPC migration

Change-Id: I05300d3b95b878f44576a99a05f53f52fdc0cda1
diff --git a/vendor/github.com/Shopify/sarama/delete_groups_request.go b/vendor/github.com/Shopify/sarama/delete_groups_request.go
index 305a324..4ac8bbe 100644
--- a/vendor/github.com/Shopify/sarama/delete_groups_request.go
+++ b/vendor/github.com/Shopify/sarama/delete_groups_request.go
@@ -21,6 +21,10 @@
 	return 0
 }
 
+func (r *DeleteGroupsRequest) headerVersion() int16 {
+	return 1
+}
+
 func (r *DeleteGroupsRequest) requiredVersion() KafkaVersion {
 	return V1_1_0_0
 }