fix siac hostdb price
fix siac hostdb price

ChrisSchinnerl/Sia,mnsl/Sia,MrStrong/Sia,rivine/rivine,ericflo/Sia,mtlynch/Sia,mnsl/Sia,rivine/rivine,NebulousLabs/Sia,mtlynch/Sia,mharkus/Sia,johnathanhowell/Sia,ChrisSchinnerl/Sia,NebulousLabs/Sia,mharkus/Sia,ericflo/Sia,MrStrong/Sia