vala:0.44 errors out if an odd minor version number glib is
targeted and passed to valac. It could probably just be patched
to the following glib stable version, which is probably done
upstream later on, but just limit for now and will lift the
restriction with 3.22 bump.
Package-Manager: Portage-2.3.62, Repoman-2.3.12 Signed-off-by: Mart Raudsepp <leio@gentoo.org>