fix level discovery code for assymetric topolog...
fix level discovery code for assymetric topolog...

fix level discovery code for assymetric topologies

This commit was SVN r1026.

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