Volume: fix integer/long conversion. See #313
Volume: fix integer/long conversion. See #313

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