hwloc.h: other minor doxygen syntax improvement...
hwloc.h: other minor doxygen syntax improvement...

hwloc.h: other minor doxygen syntax improvements

This commit was SVN r5444.

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