Import dso_suffix from spack.build_environment in abi.py (#2174)
Import dso_suffix from spack.build_environment in abi.py (#2174)

Fixes #1845
iulian787/spack,tmerrick1/spack,LLNL/spack,TheTimmy/spack,lgarren/spack,skosukhin/spack,lgarren/spack,skosukhin/spack,tmerrick1/spack,tmerrick1/spack,matthiasdiener/spack,krafczyk/spack,LLNL/spack,mfherbst/spack,lgarren/spack,mfherbst/spack,lgarren/spack,iulian787/spack,iulian787/spack,EmreAtes/spack,EmreAtes/spack,TheTimmy/spack,tmerrick1/spack,EmreAtes/spack,krafczyk/spack,skosukhin/spack,matthiasdiener/spack,tmerrick1/spack,matthiasdiener/spack,TheTimmy/spack,iulian787/spack,mfherbst/spack,iulian787/spack,krafczyk/spack,skosukhin/spack,LLNL/spack,mfherbst/spack,lgarren/spack,matthiasdiener/spack,krafczyk/spack,mfherbst/spack,skosukhin/spack,EmreAtes/spack,LLNL/spack,TheTimmy/spack,matthiasdiener/spack,LLNL/spack,krafczyk/spack,TheTimmy/spack,EmreAtes/spack