spack setup: Fix broken module convenience settings.
spack setup: Fix broken module convenience settings.

TheTimmy/spack,lgarren/spack,matthiasdiener/spack,skosukhin/spack,lgarren/spack,iulian787/spack,skosukhin/spack,mfherbst/spack,skosukhin/spack,iulian787/spack,tmerrick1/spack,EmreAtes/spack,krafczyk/spack,matthiasdiener/spack,LLNL/spack,mfherbst/spack,krafczyk/spack,TheTimmy/spack,krafczyk/spack,tmerrick1/spack,EmreAtes/spack,LLNL/spack,iulian787/spack,krafczyk/spack,TheTimmy/spack,tmerrick1/spack,skosukhin/spack,iulian787/spack,matthiasdiener/spack,matthiasdiener/spack,mfherbst/spack,skosukhin/spack,tmerrick1/spack,EmreAtes/spack,mfherbst/spack,krafczyk/spack,iulian787/spack,LLNL/spack,matthiasdiener/spack,lgarren/spack,EmreAtes/spack,LLNL/spack,LLNL/spack,EmreAtes/spack,lgarren/spack,TheTimmy/spack,TheTimmy/spack,mfherbst/spack,tmerrick1/spack,lgarren/spack