authpolicy: Add D-Bus constants

Adds error codes related to klist (listing the contents of a Kerberos
credentials cache). Klist is used in CL:458220 to read the ticket's
validity and renewal lifetimes.

BUG=chromium:676607
TEST=It compiles. 'nuff said.

Change-Id: Ie81cce52768b3ee157efc8442711e118297281bc
Reviewed-on: https://chromium-review.googlesource.com/458427
Commit-Ready: Lutz Justen <ljusten@chromium.org>
Tested-by: Lutz Justen <ljusten@chromium.org>
Reviewed-by: Dan Erat <derat@chromium.org>
Reviewed-by: Roman Sorokin <rsorokin@chromium.org>
1 file changed