libnuma test: handle numa nodes with no memory and no cpu
libnuma test: handle numa nodes with no memory and no cpu

Fix (again) conversions from/to numa_all_nodes_ptr to handle these.

git-svn-id: 14be032f8f42541b1a281b51ae8ea69814daf20e@4250 4b44e086-7f34-40ce-a3bd-00e031736276

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