[VOL-4292] OpenOLT Adapter changes for gRPC migration

Change-Id: I5af2125f2c2f53ffc78c474a94314bba408f8bae
diff --git a/vendor/github.com/Shopify/sarama/txn_offset_commit_response.go b/vendor/github.com/Shopify/sarama/txn_offset_commit_response.go
index 6c980f4..94d8029 100644
--- a/vendor/github.com/Shopify/sarama/txn_offset_commit_response.go
+++ b/vendor/github.com/Shopify/sarama/txn_offset_commit_response.go
@@ -78,6 +78,10 @@
 	return 0
 }
 
+func (a *TxnOffsetCommitResponse) headerVersion() int16 {
+	return 0
+}
+
 func (a *TxnOffsetCommitResponse) requiredVersion() KafkaVersion {
 	return V0_11_0_0
 }