gtk: undef DISABLE_DEPRECATED around including our own header
gtk: undef DISABLE_DEPRECATED around including our own header

so we can see our own deprecated API and don't get warnings.

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