libafsauthent, tvolser: fix objdir build

Reviewed-on: http://gerrit.openafs.org/6689
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Derrick Brashear <shadow@dementix.org>
(cherry picked from commit fb0d056c69489d76a5aad216277bf81ac3420aea)

Change-Id: I30b1e5876e9a91b3caaf9d097fd3a886fabe7e7e
Reviewed-on: http://gerrit.openafs.org/8945
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Tested-by: Stephan Wiesand <stephan.wiesand@desy.de>
Reviewed-by: Stephan Wiesand <stephan.wiesand@desy.de>
Reviewed-by: Paul Smeddle <paul.smeddle@gmail.com>