[gtk+] x11: Fix build without Xinput

[Benjamin Otte <otte src gnome org>]

commit b1f2e5bfa315872250550593fbe8c8a00397ca31
Author: Benjamin Otte <otte redhat com>
Date:   Fri Feb 11 23:19:25 2011 +0100

    x11: Fix build without Xinput
    
    Missing ifdefs

 gdk/x11/gdkprivate-x11.h |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)
---
diff --git a/gdk/x11/gdkprivate-x11.h b/gdk/x11/gdkprivate-x11.h
index e708464..5a60f88 100644
--- a/gdk/x11/gdkprivate-x11.h
+++ b/gdk/x11/gdkprivate-x11.h
@@ -41,8 +41,12 @@
 
 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
+#ifdef XINPUT_XFREE
 #include <X11/extensions/XInput.h>
+#endif
+#ifdef XINPUT_XI2
 #include <X11/extensions/XInput2.h>
+#endif
 
 #include <cairo-xlib.h>
 
@@ -225,6 +229,7 @@ void _gdk_x11_device_check_extension_events   (GdkDevice  *device);
 
 GdkDeviceManager *_gdk_x11_device_manager_new (GdkDisplay *display);
 
+#ifdef XINPUT_XFREE
 void _gdk_x11_device_xi_update_window_info (GdkWindow *window);
 
 void _gdk_x11_device_xi_update_axes        (GdkDevice *device,
@@ -237,12 +242,15 @@ void _gdk_x11_device_xi_translate_axes     (GdkDevice *device,
                                             gdouble   *axes,
                                             gdouble   *x,
                                             gdouble   *y);
+#endif
 
+#ifdef XINPUT_XI2
 guchar * _gdk_x11_device_xi2_translate_event_mask (GdkEventMask     event_mask,
                                                    gint            *len);
 guint    _gdk_x11_device_xi2_translate_state      (XIModifierState *mods_state,
                                                    XIButtonState   *buttons_state,
                                                    XIGroupState    *group_state);
+#endif
 
 void     _gdk_x11_event_translate_keyboard_string (GdkEventKey *event);