[rhythmbox] Include gdk.h instead of gdkx.h

[Jonathan Matthew <jmatthew src gnome org>]

commit 571b77caf32dccdc0e4dcb64bd7ecd90a5879b9f
Author: Andrew Brown <andrew andrewdbrown com>
Date:   Sun Mar 1 19:41:01 2015 -0500

    Include gdk.h instead of gdkx.h
    
    Including `gdk.h` instead of `gdkx.h` allows Rhythmbox to be built on
    Mac OS X (assuming the Multimedia Keys plugin is disabled using
    `--disable-mmkeys`).

 plugins/power-manager/rb-power-manager-plugin.c |    2 +-
 shell/rb-shell.c                                |    1 -
 2 files changed, 1 insertions(+), 2 deletions(-)
---
diff --git a/plugins/power-manager/rb-power-manager-plugin.c b/plugins/power-manager/rb-power-manager-plugin.c
index a68c8cf..f60446c 100644
--- a/plugins/power-manager/rb-power-manager-plugin.c
+++ b/plugins/power-manager/rb-power-manager-plugin.c
@@ -34,7 +34,7 @@
 #include <config.h>
 
 #include <glib/gi18n.h>
-#include <gdk/gdkx.h>
+#include <gdk/gdk.h>
 #include <gio/gio.h>
 
 #include "rb-plugin-macros.h"
diff --git a/shell/rb-shell.c b/shell/rb-shell.c
index 77526d9..42cdeff 100644
--- a/shell/rb-shell.c
+++ b/shell/rb-shell.c
@@ -45,7 +45,6 @@
 
 #include <glib/gi18n.h>
 #include <gdk/gdk.h>
-#include <gdk/gdkx.h>
 #include <gtk/gtk.h>
 #include <girepository.h>