cbfstool: Fix cbfs_file_next_attr

The last attribute was never returned.
Fix size compare to retrieve all attributes.

Manually tested and seen all attributes, including the last one.

Change-Id: I08df073158a0f285f96048c92aa8066fa4f57e6f
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/31494
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>

0 files changed, 0 insertions, 0 deletions