tty: do not break long words
tty: do not break long words

These "words" tend to be file paths which are best left unbroken.

Fixes #1057.

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