[mutter] common: Add the XInput2 headers to common.h, which everything uses

[Jasper St. Pierre <jstpierre src gnome org>]

commit 8bf8f3ea559c4c3e5bcff468f24b447ebb8a2cf6
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Thu Nov 15 17:44:49 2012 -0500

    common: Add the XInput2 headers to common.h, which everything uses
    
    https://bugzilla.gnome.org/show_bug.cgi?id=688779

 src/meta/common.h |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/meta/common.h b/src/meta/common.h
index 3d8dfa8..f32a0a6 100644
--- a/src/meta/common.h
+++ b/src/meta/common.h
@@ -30,6 +30,8 @@
 
 /* Don't include core headers here */
 #include <X11/Xlib.h>
+#include <X11/extensions/XInput.h>
+#include <X11/extensions/XInput2.h>
 #include <glib.h>
 #include <gtk/gtk.h>