If the default stemmer language is computed to be "en", such as in a Guix
build container, then the stemmer would not be loaded.
* gnu/packages/patches/appstream-load-stemmer-early.patch: New patch.
* gnu/local.mk (dist_patch_DATA): Register it here.
* gnu/packages/freedesktop.scm (appstream) [patches]: Use it here.
[#:phases]<disable-failing-tests>: Remove.
Change-Id: Iddd6ce5887247df46f670c49f9efc66772c82ff0
Signed-off-by: Liliana Marie Prikler <liliana.prikler@gmail.com>
Vivien Kraus