Handle zstd 1.4.7+
Origin: upstream; https://github.com/zchunk/zchunk/commit/
d2eae512bee09a4047cfe586de12f644d73b0736#diff-
fb327c87db6b2c02c67999cd120ccf98eb09d654b487f2612366306f9d6ffd9c
Bug-Debian: https://bugs.debian.org/978320
Last-Update: 2021-01-02
Gbp-Pq: Name test-checksums.patch