Enable building with NetCDF on Appveyor
Enable building with NetCDF on Appveyor

lscalfi/chemfiles,Luthaf/Chemharp,chemfiles/chemfiles,chemfiles/chemfiles,lscalfi/chemfiles,lscalfi/chemfiles,lscalfi/chemfiles,chemfiles/chemfiles,Luthaf/Chemharp,chemfiles/chemfiles,Luthaf/Chemharp