Add OpenAFS to the dependencies of remote-fs.

Add OpenAFS to the dependencies of remote-fs.

Signed-off-by: Edward Z. Yang <ezyang@mit.edu>
Reviewed-on: http://gerrit.openafs.org/6093
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Derrick Brashear <shadow@dementix.org>
(cherry picked from commit 3328770612b7205abb92df5b5f4737eb3349c910)

Change-Id: I16b7b0ac6e68bf91c48652faab339871f18549a5
Reviewed-on: http://gerrit.openafs.org/7449
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Derrick Brashear <shadow@dementix.org>