ncl: Add tcsh dependency (#5195)
ncl: Add tcsh dependency (#5195)

All ncl scripts hardcode /bin/csh, so fix them up.
mfherbst/spack,tmerrick1/spack,lgarren/spack,EmreAtes/spack,matthiasdiener/spack,krafczyk/spack,iulian787/spack,tmerrick1/spack,lgarren/spack,mfherbst/spack,LLNL/spack,iulian787/spack,matthiasdiener/spack,EmreAtes/spack,mfherbst/spack,iulian787/spack,lgarren/spack,matthiasdiener/spack,krafczyk/spack,krafczyk/spack,mfherbst/spack,tmerrick1/spack,lgarren/spack,LLNL/spack,mfherbst/spack,EmreAtes/spack,skosukhin/spack,tmerrick1/spack,skosukhin/spack,tmerrick1/spack,LLNL/spack,matthiasdiener/spack,matthiasdiener/spack,EmreAtes/spack,skosukhin/spack,iulian787/spack,iulian787/spack,skosukhin/spack,EmreAtes/spack,LLNL/spack,lgarren/spack,krafczyk/spack,skosukhin/spack,krafczyk/spack,LLNL/spack