GtkAboutDialog: Convert to g_object_class_install_properties
GtkAboutDialog: Convert to g_object_class_install_properties

davidgumberg/gtk,ahodesuka/gtk,Lyude/gtk-,grubersjoe/adwaita,Lyude/gtk-,Adamovskiy/gtk,jessevdk/gtk,ahodesuka/gtk,davidgumberg/gtk,grubersjoe/adwaita,davidgumberg/gtk,chergert/gtk,jigpu/gtk,alexlarsson/gtk,ahodesuka/gtk,jadahl/gtk,alexlarsson/gtk,ahodesuka/gtk,davidgumberg/gtk,chergert/gtk,jadahl/gtk,davidgumberg/gtk,Adamovskiy/gtk,jadahl/gtk,grubersjoe/adwaita,grubersjoe/adwaita,ahodesuka/gtk,grubersjoe/adwaita,ahodesuka/gtk,grubersjoe/adwaita,jigpu/gtk,jigpu/gtk,jadahl/gtk,Lyude/gtk-,jadahl/gtk,jessevdk/gtk,alexlarsson/gtk,chergert/gtk,chergert/gtk,Adamovskiy/gtk,davidgumberg/gtk,davidgumberg/gtk,alexlarsson/gtk,Lyude/gtk-,jadahl/gtk,jadahl/gtk,jigpu/gtk,jessevdk/gtk,jessevdk/gtk,Lyude/gtk-,ahodesuka/gtk,chergert/gtk,Adamovskiy/gtk,chergert/gtk,jessevdk/gtk,Adamovskiy/gtk,Adamovskiy/gtk,Lyude/gtk-,Adamovskiy/gtk,davidgumberg/gtk,chergert/gtk,alexlarsson/gtk,grubersjoe/adwaita,alexlarsson/gtk,jessevdk/gtk,Lyude/gtk-,jigpu/gtk,Lyude/gtk-,grubersjoe/adwaita,jigpu/gtk,chergert/gtk,ahodesuka/gtk,jigpu/gtk,jigpu/gtk,Adamovskiy/gtk,alexlarsson/gtk,jessevdk/gtk,jadahl/gtk,alexlarsson/gtk