* gnu/packages/compression.scm (zstd): Update to 1.3.5.
[source]: Add two patches to make the test suite pass.
* gnu/packages/patches/zstd-fix-stdin-list-without-tty.patch,
gnu/packages/patches/zstd-fix-stdin-list-test.patch: New files.
* gnu/local.mk (dist_patch_DATA): Add both.
Tobias Geerinckx-Rice