Reported upstream at https://github.com/sgimenez/laby/pull/68
* gnu/packages/patches/laby-use-tmpdir-from-runtime.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/games.scm (laby)[source]: Use it.
Signed-off-by: Ludovic Courtès <ludo@gnu.org>
