Fixed REFPROP calls in CoolProp.c for non-Windows machines
Fixed REFPROP calls in CoolProp.c for non-Windows machines

CoolProp/CoolProp-museum,CoolProp/CoolProp-museum,ibell/coolprop,ibell/coolprop,CoolProp/CoolProp-museum,CoolProp/CoolProp-museum,ibell/coolprop,ibell/coolprop,ibell/coolprop,ibell/coolprop,ibell/coolprop,CoolProp/CoolProp-museum,CoolProp/CoolProp-museum,CoolProp/CoolProp-museum,ibell/coolprop