[mutter/wayland] cursor-tracker: Include gdk/gdkx.h

[Rui Matos <rtcm src gnome org>]

commit 9773a879c3e8d566ab782199ebda58df3dc542f4
Author: Rui Matos <tiagomatos gmail com>
Date:   Thu Mar 6 19:08:01 2014 +0100

    cursor-tracker: Include gdk/gdkx.h
    
    Needed for the call to gdk_x11_device_manager_lookup() introduced in
    abd2abcde67cddacdda03323138f9fb130e4eb15 .

 src/core/meta-cursor-tracker.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/core/meta-cursor-tracker.c b/src/core/meta-cursor-tracker.c
index e20d70e..973aacf 100644
--- a/src/core/meta-cursor-tracker.c
+++ b/src/core/meta-cursor-tracker.c
@@ -39,6 +39,7 @@
 #include <gbm.h>
 
 #include <gdk/gdk.h>
+#include <gdk/gdkx.h>
 
 #include <X11/cursorfont.h>
 #include <X11/extensions/Xfixes.h>