20a7c9d5c9
The referenced commit is gone, but we already have this file on our mirror, use that one by providing the correct mirror hash. I generated a tar.xz file with the given git commit hash using a random fork on github and it generated the same tar.xz file as found on our mirror so this looks correct. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>