gdk/directfb: cursor size is artificially limited
gdk/directfb: cursor size is artificially limited

Cursor sizes in DirectFB can be large (4095x4095), limit to 128x128
though, because the x11 backend has this limit, too - for max.
compatibility.

Fixes https://bugzilla.gnome.org/show_bug.cgi?id=609201

Signed-off-by: Javier Jardón <d9e631309e5549cc595b71faddf6ad547c795ffa@gnome.org>

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