Make HWLOC_XML_VERBOSE work for all XML error m...
Make HWLOC_XML_VERBOSE work for all XML error m...

Make HWLOC_XML_VERBOSE work for all XML error messages, not only libxml2

This commit was SVN r3809.

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