Add line-break after exported fields

Match the Golang std library style of adding line-breaks after exported
fields.

http://golang.org/src/pkg/sync/cond.go?s=609:772#L12

record_buffer.go

@@ -5,6 +5,7 @@ package connector
 // decides whether a record will be added to the buffer to be emitted.
 type RecordBuffer struct {
 	NumRecordsToBuffer  int
+
 	firstSequenceNumber string
 	lastSequenceNumber  string
 	recordsInBuffer     []Record

redis_checkpoint.go

@@ -11,6 +11,7 @@ import (
 type RedisCheckpoint struct {
 	AppName    string
 	StreamName string
+
 	client         redis.Client
 	sequenceNumber string
 }