css: Make getter function a real getter
css: Make getter function a real getter

Initialize the passed-in value, don't treat it as an in-out parameter.

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