[VOL-4291] Rw-core updates for gRPC migration

Change-Id: I8d5a554409115b29318089671ca4e1ab3fa98810
diff --git a/vendor/github.com/Shopify/sarama/find_coordinator_response.go b/vendor/github.com/Shopify/sarama/find_coordinator_response.go
index 9c900e8..83a648a 100644
--- a/vendor/github.com/Shopify/sarama/find_coordinator_response.go
+++ b/vendor/github.com/Shopify/sarama/find_coordinator_response.go
@@ -82,6 +82,10 @@
 	return f.Version
 }
 
+func (r *FindCoordinatorResponse) headerVersion() int16 {
+	return 0
+}
+
 func (f *FindCoordinatorResponse) requiredVersion() KafkaVersion {
 	switch f.Version {
 	case 1: