GtkIconInfo: Small struct packing improvement
GtkIconInfo: Small struct packing improvement

This makes the GtkIconInfo struct a bit smaller.

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