[gtk+/xi2] Fix compiler warning.

[Carlos Garnacho <carlosg src gnome org>]

commit e4ff3fc7ea1bad15581cc2dafad59d6bd483dbf1
Author: Carlos Garnacho <carlosg gnome org>
Date:   Wed Feb 17 22:46:40 2010 +0100

    Fix compiler warning.
    
    _gdk_keymap_add_virtual_modifiers_compat() wasn't defined in any header.

 gdk/x11/gdkdevicemanager-core.c |    1 +
 gdk/x11/gdkdevicemanager-xi2.c  |    1 +
 gdk/x11/gdkprivate-x11.h        |    2 ++
 3 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/gdk/x11/gdkdevicemanager-core.c b/gdk/x11/gdkdevicemanager-core.c
index 7bd584b..ceea658 100644
--- a/gdk/x11/gdkdevicemanager-core.c
+++ b/gdk/x11/gdkdevicemanager-core.c
@@ -25,6 +25,7 @@
 #include "gdkeventtranslator.h"
 #include "gdkdevice-core.h"
 #include "gdkkeysyms.h"
+#include "gdkprivate-x11.h"
 #include "gdkx.h"
 
 #ifdef HAVE_XKB
diff --git a/gdk/x11/gdkdevicemanager-xi2.c b/gdk/x11/gdkdevicemanager-xi2.c
index c5a2e8e..a1e8736 100644
--- a/gdk/x11/gdkdevicemanager-xi2.c
+++ b/gdk/x11/gdkdevicemanager-xi2.c
@@ -26,6 +26,7 @@
 #include "gdkeventtranslator.h"
 #include "gdkdevice-xi2.h"
 #include "gdkkeysyms.h"
+#include "gdkprivate-x11.h"
 #include "gdkx.h"
 
 #define HAS_FOCUS(toplevel) ((toplevel)->has_focus || (toplevel)->has_pointer_focus)
diff --git a/gdk/x11/gdkprivate-x11.h b/gdk/x11/gdkprivate-x11.h
index 1a7ddfa..12dbce4 100644
--- a/gdk/x11/gdkprivate-x11.h
+++ b/gdk/x11/gdkprivate-x11.h
@@ -159,6 +159,8 @@ gint _gdk_x11_get_group_for_state (GdkDisplay      *display,
 				   GdkModifierType  state);
 void _gdk_keymap_add_virtual_modifiers (GdkKeymap       *keymap,
 					GdkModifierType *modifiers);
+void _gdk_keymap_add_virtual_modifiers_compat (GdkKeymap       *keymap,
+                                               GdkModifierType *modifiers);
 gboolean _gdk_keymap_key_is_modifier   (GdkKeymap       *keymap,
 					guint            keycode);