On unsupported OSes the results are not undefined, they just end up to showing one processor
On unsupported OSes the results are not undefined, they just end up to showing one processor

git-svn-id: 14be032f8f42541b1a281b51ae8ea69814daf20e@1227 4b44e086-7f34-40ce-a3bd-00e031736276

BlueBrain/hwloc,BlueBrain/hwloc,BlueBrain/hwloc,BlueBrain/hwloc