ZOOKEEPER-2040: Correct CHANGES.txt.
ZOOKEEPER-2040: Correct CHANGES.txt.

git-svn-id: ab872c3ea6eab04e1118d89b08aa020df72d33ea@1702380 13f79535-47bb-0310-9956-ffa450edef68

naver/arcus-zookeeper,naver/arcus-zookeeper,naver/arcus-zookeeper,naver/arcus-zookeeper,naver/arcus-zookeeper,naver/arcus-zookeeper,naver/arcus-zookeeper,naver/arcus-zookeeper