[gtk+] wayland: Add missing reference to gdkwaylandwindow.h

[Rico Tzschichholz <ricotz src gnome org>]

commit 22bad6a240c4276f826d1226ed93c0051deb8dd4
Author: Rico Tzschichholz <ricotz t-online de>
Date:   Sun Jan 27 16:32:44 2013 +0100

    wayland: Add missing reference to gdkwaylandwindow.h
    
    Missing bit of 01c0dd91821ac0eebccf1c0bfc644cde5b41c4a8

 gdk/wayland/Makefile.am |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/gdk/wayland/Makefile.am b/gdk/wayland/Makefile.am
index 5033397..ab9ebf2 100644
--- a/gdk/wayland/Makefile.am
+++ b/gdk/wayland/Makefile.am
@@ -38,6 +38,7 @@ libgdkinclude_HEADERS =				\
 	gdkwayland.h
 
 libgdkwaylandinclude_HEADERS = 			\
-	gdkwaylanddisplay.h
+	gdkwaylanddisplay.h			\
+	gdkwaylandwindow.h
 
 -include $(top_srcdir)/git.mk