auth: Fix library dependencies so that tests build again

Reviewed-on: http://gerrit.openafs.org/11311
Reviewed-by: Benjamin Kaduk <kaduk@mit.edu>
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>
(cherry picked from commit 668b1765478eb32b5d0895d25301773e412df7a0)

Change-Id: I581a23201832bdfbe7d14eb15d09409936e91eb0
Reviewed-on: http://gerrit.openafs.org/11350
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Chas Williams - CONTRACTOR <chas@cmf.nrl.navy.mil>
Tested-by: Stephan Wiesand <stephan.wiesand@desy.de>
Reviewed-by: Stephan Wiesand <stephan.wiesand@desy.de>