Fix newline character in GCC package (#4181)
Fix newline character in GCC package (#4181)

* Fix newline character in GCC package

* Remove the newline completely

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