doc: fix gl manpages
doc: fix gl manpages

git-svn-id: 03c51a7de3623187510fccb2a152980664cd6436@5267 4b44e086-7f34-40ce-a3bd-00e031736276

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