[gnome-control-center] info: Fix build when Wayland support isn't available

[Bastien Nocera <hadess src gnome org>]

commit 6908c0da34c31273e6c3ae475213b471aa719df7
Author: Bastien Nocera <hadess hadess net>
Date:   Thu Apr 24 16:35:35 2014 +0200

    info: Fix build when Wayland support isn't available
    
    https://bugzilla.gnome.org/show_bug.cgi?id=728672

 panels/info/cc-info-panel.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/panels/info/cc-info-panel.c b/panels/info/cc-info-panel.c
index b300f3b..e9b4454 100644
--- a/panels/info/cc-info-panel.c
+++ b/panels/info/cc-info-panel.c
@@ -34,10 +34,14 @@
 #include <glibtop/mem.h>
 #include <glibtop/sysinfo.h>
 
+#ifdef GDK_WINDOWING_WAYLAND
 #include <gdk/gdkwayland.h>
+#endif
+#ifdef GDK_WINDOWING_X11
 #include <gdk/gdkx.h>
 #include <GL/gl.h>
 #include <GL/glx.h>
+#endif
 
 #include "gsd-disk-space-helper.h"