[zip] Add log message

minizip can potentially report an error when closing a ZIP.

Just to make sure that no error goes unnoticed, log this error to
make debugging easier.

BUG=chromium:1295127
TEST=autoninja -C out/Default zlib_unittests && out/Default/zlib_unittests

Change-Id: I37ebb68ffe017c34f94f46de51c95c5a4f16ac3e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3464761


Commit-Queue: François Degros <fdegros@chromium.org>
Reviewed-by: Noel Gordon <noel@chromium.org>
Cr-Commit-Position: refs/heads/main@{#971665}
NOKEYCHECK=True
GitOrigin-RevId: 5c759f4ac60940953a4ff06a3c840efd27d4d344