fix siafund units
fix siafund units

NebulousLabs/Sia,MrStrong/Sia,mnsl/Sia,MrStrong/Sia,ericflo/Sia,NebulousLabs/Sia,rivine/rivine,mtlynch/Sia,ericflo/Sia,mharkus/Sia,mtlynch/Sia,ChrisSchinnerl/Sia,Mingling94/Sia,mharkus/Sia,rivine/rivine,ChrisSchinnerl/Sia,johnathanhowell/Sia,mnsl/Sia