Always set the shape when creating a native window.
Always set the shape when creating a native window.

This is not always done by recompute_visible_regions, as
the clip region doesn't change.

johne53/MB3Gtk-2,Distrotech/gtk,jessevdk/gtk,Lyude/gtk-,Lyude/gtk-,davidgumberg/gtk,bratsche/gtk-,msteinert/gtk,davidgumberg/gtk,Sidnioulz/SandboxGtk,zsx/gtk,grubersjoe/adwaita,zsx/gtk,jadahl/gtk,simokivimaki/gtk,jadahl/gtk,grubersjoe/adwaita,Lyude/gtk-,jadahl/gtk,davidt/gtk,davidt/gtk,johne53/MB3Gtk-2,jessevdk/gtk,chipx86/gtk,ebassi/gtk,Adamovskiy/gtk,simokivimaki/gtk,jigpu/gtk,msteinert/gtk,msteinert/gtk,alexlarsson/gtk,davidgumberg/gtk,simokivimaki/gtk,Sidnioulz/SandboxGtk,Distrotech/gtk2,Adamovskiy/gtk,msteinert/gtk,zsx/gtk,grubersjoe/adwaita,ebassi/gtk,Adamovskiy/gtk,alexlarsson/gtk,davidt/gtk,ahodesuka/gtk,grubersjoe/adwaita,jigpu/gtk,jadahl/gtk,chergert/gtk,alexlarsson/gtk,nacho/gtk-,ahodesuka/gtk,ebassi/gtk,Distrotech/gtk,msteinert/gtk,johne53/MB3Gtk-2,jadahl/gtk,Adamovskiy/gtk,johne53/MB3Gtk-2,simokivimaki/gtk,Adamovskiy/gtk,davidgumberg/gtk,zsx/gtk,Sidnioulz/SandboxGtk,bratsche/gtk-,grubersjoe/adwaita,Distrotech/gtk2,davidt/gtk,chipx86/gtk,grubersjoe/adwaita,alexlarsson/gtk,davidt/gtk,chergert/gtk,jessevdk/gtk,ebassi/gtk,alexlarsson/gtk,nacho/gtk-,nacho/gtk-,Sidnioulz/SandboxGtk,ebassi/gtk,davidgumberg/gtk,jessevdk/gtk,johne53/MB3Gtk-2,Unity-Technologies/gtk,simokivimaki/gtk,jigpu/gtk,Lyude/gtk-,jessevdk/gtk,nacho/gtk-,ahodesuka/gtk,alexlarsson/gtk,jigpu/gtk,Unity-Technologies/gtk,davidgumberg/gtk,chipx86/gtk,davidt/gtk,Sidnioulz/SandboxGtk,bratsche/gtk-,ahodesuka/gtk,davidgumberg/gtk,Lyude/gtk-,jadahl/gtk,Unity-Technologies/gtk,Adamovskiy/gtk,Lyude/gtk-,chergert/gtk,Distrotech/gtk,Distrotech/gtk2,jigpu/gtk,alexlarsson/gtk,bratsche/gtk-,Adamovskiy/gtk,chergert/gtk,bratsche/gtk-,nacho/gtk-,Distrotech/gtk2,grubersjoe/adwaita,jessevdk/gtk,msteinert/gtk,ahodesuka/gtk,chipx86/gtk,chergert/gtk,grubersjoe/adwaita,jigpu/gtk,bratsche/gtk-,Adamovskiy/gtk,jessevdk/gtk,chergert/gtk,jadahl/gtk,Distrotech/gtk,Unity-Technologies/gtk,Sidnioulz/SandboxGtk,ahodesuka/gtk,Distrotech/gtk,ahodesuka/gtk,chipx86/gtk,davidgumberg/gtk,jigpu/gtk,zsx/gtk,alexlarsson/gtk,Distrotech/gtk2,ahodesuka/gtk,Lyude/gtk-,ebassi/gtk,chergert/gtk,jigpu/gtk,jadahl/gtk,simokivimaki/gtk,Distrotech/gtk2,Unity-Technologies/gtk,Lyude/gtk-,chergert/gtk