Give priority to updated netcdfcxx headers
Give priority to updated netcdfcxx headers

On OSX, the command "brew install netcdf" will install the old and buggy
version of netcdfcxx, so let's prepend our directory to the include
list.

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