jhbuild: add build rules for the fonts
jhbuild: add build rules for the fonts

We need to install the core fonts for a stand-alone xserver, so add them
to the jhbuild rules. And as we needed to pull in the mkfontscale rule for
libfontenc, we may as well pull in the whole bundle.

tmzt/androix-util-modular,freedesktop-unofficial-mirror/xorg__util__modular,freedesktop-unofficial-mirror/xorg__util__modular,freedesktop-unofficial-mirror/xorg__util__modular,tmzt/androix-util-modular