StoreWAL: Fix typo and possibly serious issue.
StoreWAL: Fix typo and possibly serious issue.

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