EngineWrapper: fix typo
EngineWrapper: fix typo

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