[VOL-4293] OpenONU Adapter update for gRPC migration

Change-Id: I05300d3b95b878f44576a99a05f53f52fdc0cda1
diff --git a/vendor/github.com/Shopify/sarama/offset_commit_response.go b/vendor/github.com/Shopify/sarama/offset_commit_response.go
index e842298..342260e 100644
--- a/vendor/github.com/Shopify/sarama/offset_commit_response.go
+++ b/vendor/github.com/Shopify/sarama/offset_commit_response.go
@@ -94,6 +94,10 @@
 	return r.Version
 }
 
+func (r *OffsetCommitResponse) headerVersion() int16 {
+	return 0
+}
+
 func (r *OffsetCommitResponse) requiredVersion() KafkaVersion {
 	switch r.Version {
 	case 1: