Update db.cpp
Update db.cpp

A trivial fix that turned out not so trivial
unobtanium-official/Unobtanium,unobtanium-official/Unobtanium,unobtanium-official/Unobtanium,unobtanium-official/Unobtanium,unobtanium-official/Unobtanium,unobtanium-official/Unobtanium