futility: updater: Fix build failure

The hack to FTS need to reorder where fts.h is included.
Also add libzip to tests.

BUG=None
TEST=make futil; tests/futility/run_test_scripts.sh $(pwd)/build/futility
BRANCH=None

Change-Id: I63628f519d087220b0c445c16f33c5d0e14030a0
Signed-off-by: Hung-Te Lin <hungte@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/vboot_reference/+/1588021
2 files changed