VOL-1691 Fix openolt adapter getting stuck while registartion with core

Change-Id: Ide8131f325bc15f1b909e14d7af6ee9bcd6b3b5b
diff --git a/vendor/github.com/Shopify/sarama/offset_manager.go b/vendor/github.com/Shopify/sarama/offset_manager.go
index 2432f7b..923972f 100644
--- a/vendor/github.com/Shopify/sarama/offset_manager.go
+++ b/vendor/github.com/Shopify/sarama/offset_manager.go
@@ -333,7 +333,6 @@
 				pom.handleError(err)
 			case ErrOffsetsLoadInProgress:
 				// nothing wrong but we didn't commit, we'll get it next time round
-				break
 			case ErrUnknownTopicOrPartition:
 				// let the user know *and* try redispatching - if topic-auto-create is
 				// enabled, redispatching should trigger a metadata req and create the
@@ -576,6 +575,6 @@
 
 func (pom *partitionOffsetManager) release() {
 	pom.releaseOnce.Do(func() {
-		go close(pom.errors)
+		close(pom.errors)
 	})
 }