[gdk/x11] Change the name of the functions in the header file
[gdk/x11] Change the name of the functions in the header file

_gdk_keymap_add_virtual_modifiers() changed to
_gdk_keymap_add_virtual_modifiers_compat() in
commit 13d69e552dffe681ee80c0600366a8c04fc205c6
This patch change the header name too.

Fixes https://bugzilla.gnome.org/show_bug.cgi?id=610063

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