authpolicy: Fix 32 bit compilation issues.

Fixes a build breakage on x86-generic.

BUG=chromium:670430
TEST=Compiles on x86-generic

Change-Id: Ifec01682c64b98621156f8bcd7b73cf857678d53
Reviewed-on: https://chromium-review.googlesource.com/416068
Commit-Ready: Lutz Justen <ljusten@chromium.org>
Tested-by: Lutz Justen <ljusten@chromium.org>
Reviewed-by: Achuith Bhandarkar <achuith@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
1 file changed