Changes

Fix documentation on API version
The documentation used a right-shift operator to construct
HWLOC_API_VERSION from a release version. This made no sense and the
left-shift operator should be used.
 Signed-off-by: Hannes Weisbach hannes.weisbach@gmail.com
(cherry picked from commit e8c349c84e63b06d9c609845ed01ff2372076938)

doxy: fix another right-shift operator for computing the version
Signed-off-by: Brice Goglin <Brice.Goglin@inria.fr>
(cherry picked from commit fa435a7a1a92c2e0c0a8af1c9e8efa3c68cc669c)