Ninja: add a missing CHANGES.txt entry for CASSANDRA-16155
Ninja: add a missing CHANGES.txt entry for CASSANDRA-16155

blerer/cassandra,pauloricardomg/cassandra,bdeggleston/cassandra,beobal/cassandra,thelastpickle/cassandra,adelapena/cassandra,instaclustr/cassandra,driftx/cassandra,szhou1234/cassandra,mshuler/cassandra,michaelsembwever/cassandra,tjake/cassandra,belliottsmith/cassandra,mike-tr-adamson/cassandra,tjake/cassandra,beobal/cassandra,szhou1234/cassandra,blerer/cassandra,apache/cassandra,instaclustr/cassandra,bdeggleston/cassandra,mshuler/cassandra,bdeggleston/cassandra,adejanovski/cassandra,mike-tr-adamson/cassandra,adejanovski/cassandra,adejanovski/cassandra,blerer/cassandra,instaclustr/cassandra,bdeggleston/cassandra,apache/cassandra,thelastpickle/cassandra,blambov/cassandra,mshuler/cassandra,michaelsembwever/cassandra,driftx/cassandra,blerer/cassandra,tjake/cassandra,driftx/cassandra,szhou1234/cassandra,adelapena/cassandra,pauloricardomg/cassandra,thelastpickle/cassandra,driftx/cassandra,apache/cassandra,beobal/cassandra,thelastpickle/cassandra,blambov/cassandra,mshuler/cassandra,instaclustr/cassandra,apache/cassandra,adelapena/cassandra,pauloricardomg/cassandra,jrwest/cassandra,belliottsmith/cassandra,jrwest/cassandra,michaelsembwever/cassandra,belliottsmith/cassandra,tjake/cassandra,szhou1234/cassandra,blambov/cassandra,mike-tr-adamson/cassandra,pauloricardomg/cassandra,jrwest/cassandra,michaelsembwever/cassandra,beobal/cassandra,adelapena/cassandra,belliottsmith/cassandra,blambov/cassandra,mike-tr-adamson/cassandra,jrwest/cassandra