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

Change-Id: I8d5a554409115b29318089671ca4e1ab3fa98810
diff --git a/vendor/github.com/Shopify/sarama/find_coordinator_request.go b/vendor/github.com/Shopify/sarama/find_coordinator_request.go
index ff2ad20..597bcbf 100644
--- a/vendor/github.com/Shopify/sarama/find_coordinator_request.go
+++ b/vendor/github.com/Shopify/sarama/find_coordinator_request.go
@@ -51,6 +51,10 @@
 	return f.Version
 }
 
+func (r *FindCoordinatorRequest) headerVersion() int16 {
+	return 1
+}
+
 func (f *FindCoordinatorRequest) requiredVersion() KafkaVersion {
 	switch f.Version {
 	case 1: