Fix race condition in HTreeMap, dir data were not immutable
Fix race condition in HTreeMap, dir data were not immutable

olupas/MapDB,sumit784/mapdb,mebigfatguy/mapdb,codeaudit/mapdb,lamfire/mapdb,jankotek/MapDB,cocosli/mapdb,binarytemple/mapdb,hangum/mapdb,morfeo8marc/mapdb,jankotek/mapdb,jankotek/MapDB,jankotek/mapdb,olupas/MapDB,pettermahlen/mapdb,ffjiao/mapdb,SleimanJneidi/mapdb,mebigfatguy/mapdb,ringoluo/mapdb