Comment # 2 on bug 1172416 from Max Lin

I've hot-patched appstream-glib[1], I can see appdata* stuff re-appears in the
new build.

[1] https://build.opensuse.org/package/show/openSUSE:Leap:15.2/appstream-glib

@Jiri

This bug should also happen in SLE, worth to have a check, perhaps we also need
this patch in SLE15 SP2.