Description of problem:
The sanei interface is not exposed through sane-backends-devel. I think we need
to have the sanei*.h header files provided.
Version-Release number of selected component (if applicable):
Currently hplip builds its libsane-hpaio module by statically including some
header files in its own source code. It ought to use the sanei*.h ones from
*** This bug has been marked as a duplicate of 209389 ***