Fix the absolute path of the optional exclude file in Linux' test-topology script
Fix the absolute path of the optional exclude file in Linux' test-topology script

This fixes VPATH make check when build and src tree are not at the same FS hierarchy level
(src/build and src for instance)



git-svn-id: 14be032f8f42541b1a281b51ae8ea69814daf20e@3472 4b44e086-7f34-40ce-a3bd-00e031736276

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