Fix test "NUL byte in text decrypt" for --without-zlib builds.

Noah Misch <noah@leadboat.com>

Commit: 955433ebd864f41e079e75521dd17c2f9175f7c7
Author: Noah Misch <noah@leadboat.com>
Date: 2026-02-09T17:08:13Z
Releases: 17.8
Fix test "NUL byte in text decrypt" for --without-zlib builds.

Backpatch-through: 14
Security: CVE-2026-2006

Files