Don't remove empty objects if they contain some...
Don't remove empty objects if they contain some...

Don't remove empty objects if they contain some NUMA nodes

We don't want to remove empty numanode. Make sure we don't remove
them by mistake when removing empty sockets (each contains two NUMA nodes)
on AMD magny-cours machines.

This commit was SVN r3764.

ggouaillardet/hwloc,ggouaillardet/hwloc,ggouaillardet/hwloc,shekkbuilder/hwloc,shekkbuilder/hwloc,shekkbuilder/hwloc,shekkbuilder/hwloc,ggouaillardet/hwloc