With this patch and pmbootstrap!1851, finally resolve the long-standing
issue that gtk+2.0-maemo would get installed by pmbootstrap whenever
something depends on gtk+2.0. (Currently on x86_64 only, because maemo
is disabled for other arches, but still very annoying.)
I've verified that doing 'pmbootstrap install' with qemu-amd64 and
hildon as selected UI still results in gtk+2.0-maemo getting installed.
[ci:skip-build]: already built successfully in CI
5ca275d1ef