msvc - build physfs statically
msvc - build physfs statically

One less dll to worry about, and it's not really replace-able anyway

FranciscoDA/OpenApoc,FranciscoDA/OpenApoc,steveschnepp/OpenApoc,ShadowDancer/OpenApoc,steveschnepp/OpenApoc,agry/x-com,AndO3131/OpenApoc,agry/x-com,agry/x-com,ShadowDancer/OpenApoc,pmprog/OpenApoc,pmprog/OpenApoc,Istrebitel/OpenApoc,AndO3131/OpenApoc,Istrebitel/OpenApoc,FranciscoDA/OpenApoc,AndO3131/OpenApoc