gtk-builder-tool: Don't break GtkHBox and GtkVBox
gtk-builder-tool: Don't break GtkHBox and GtkVBox

These classes have different defaults for ::expand than GtkBox,
which is not reflected in the declared default, so we have to
blacklist it.

jigpu/gtk,jigpu/gtk,jadahl/gtk,jadahl/gtk,davidgumberg/gtk,grubersjoe/adwaita,jadahl/gtk,grubersjoe/adwaita,jadahl/gtk,grubersjoe/adwaita,davidgumberg/gtk,alexlarsson/gtk,grubersjoe/adwaita,grubersjoe/adwaita,davidgumberg/gtk,alexlarsson/gtk,jigpu/gtk,jigpu/gtk,jadahl/gtk,davidgumberg/gtk,alexlarsson/gtk,jigpu/gtk,jigpu/gtk,alexlarsson/gtk,grubersjoe/adwaita,alexlarsson/gtk,grubersjoe/adwaita,grubersjoe/adwaita,alexlarsson/gtk,alexlarsson/gtk,davidgumberg/gtk,jigpu/gtk,jadahl/gtk,alexlarsson/gtk,jigpu/gtk,davidgumberg/gtk,davidgumberg/gtk,jadahl/gtk,jadahl/gtk,davidgumberg/gtk