gRPC migration update

Change-Id: Icdd1a824948fa994cd36bd121c962f5ecf74e3cf
diff --git a/vendor/github.com/Shopify/sarama/sasl_handshake_response.go b/vendor/github.com/Shopify/sarama/sasl_handshake_response.go
index ef290d4..69dfc31 100644
--- a/vendor/github.com/Shopify/sarama/sasl_handshake_response.go
+++ b/vendor/github.com/Shopify/sarama/sasl_handshake_response.go
@@ -33,6 +33,10 @@
 	return 0
 }
 
+func (r *SaslHandshakeResponse) headerVersion() int16 {
+	return 0
+}
+
 func (r *SaslHandshakeResponse) requiredVersion() KafkaVersion {
 	return V0_10_0_0
 }