Skip test failing on GNU/Hurd when writing on /dev/zero or
/dev/random. On different GNU/Hurd installations writing to either one or
another would fail. Currently writing to /dev/random results in the message
"Computer bought the farm" and exit status 1
See also: https://github.com/facebook/zstd/issues/1116
Gbp-Pq: Name 0015-Skip-dev-random-tests-on-hurd.patch
* Drop ZSTD_LEGACY_MULTITHREADED_API, since nothing in Debian seem to use it
* Fix FTCBFS: Don't build the shared library during dh_auto_install, Closes: #962367, thanks to Helmut Grohne <helmut@subdivi.de>
[dgit import unpatched libzstd 1.4.5+dfsg-2]