[unique] Fixed an include to match GTK+'s single include policy

[Emmanuele Bassi <ebassi src gnome org>]

commit f01929635748c7b9c83ef1e860be9fc5efba79b7
Author: Armin Burgmeier <armin arbur net>
Date:   Fri Apr 24 19:55:28 2009 +0200

    Fixed an include to match GTK+'s single include policy
    
    The uniquebackend.h header is still including gdk/gdkscreen.h when
    it should be including gdk/gdk.h instead.
    
    Signed-off-by: Emmanuele Bassi <ebassi gnome org>
---
 unique/uniquebackend.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/unique/uniquebackend.h b/unique/uniquebackend.h
index 6f738d4..a50ce4e 100644
--- a/unique/uniquebackend.h
+++ b/unique/uniquebackend.h
@@ -23,7 +23,7 @@
 #define __UNIQUE_BACKEND_H__
 
 #include <glib-object.h>
-#include <gdk/gdkscreen.h>
+#include <gdk/gdk.h>
 #include <unique/uniqueapp.h>
 
 G_BEGIN_DECLS