[gnome-panel] wncklet: stop using deprecated gdk_screen_get_number

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 9df6b6d961b705457dbb5ff34a74dc5ebc4c95ef
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Mon Oct 31 14:18:45 2016 +0200

    wncklet: stop using deprecated gdk_screen_get_number

 applets/wncklet/showdesktop.c |    2 +-
 applets/wncklet/wncklet.c     |    3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/applets/wncklet/showdesktop.c b/applets/wncklet/showdesktop.c
index 3efca61..4b5489e 100644
--- a/applets/wncklet/showdesktop.c
+++ b/applets/wncklet/showdesktop.c
@@ -360,7 +360,7 @@ show_desktop_applet_realized (PanelApplet *applet,
                                                      sdd);
 
        screen = gtk_widget_get_screen (sdd->applet);
-       sdd->wnck_screen = wnck_screen_get (gdk_screen_get_number (screen));
+       sdd->wnck_screen = wnck_screen_get (gdk_x11_screen_get_screen_number (screen));
 
        if (sdd->wnck_screen != NULL)
                wncklet_connect_while_alive (sdd->wnck_screen,
diff --git a/applets/wncklet/wncklet.c b/applets/wncklet/wncklet.c
index a5f35d6..fafb553 100644
--- a/applets/wncklet/wncklet.c
+++ b/applets/wncklet/wncklet.c
@@ -27,6 +27,7 @@
 #include <panel-applet.h>
 
 #include <glib/gi18n.h>
+#include <gdk/gdkx.h>
 #include <gtk/gtk.h>
 #include <libwnck/libwnck.h>
 
@@ -44,7 +45,7 @@ wncklet_get_screen (GtkWidget *applet)
        if (!gtk_widget_has_screen (applet))
                return wnck_screen_get_default ();
 
-       screen_num = gdk_screen_get_number (gtk_widget_get_screen (applet));
+       screen_num = gdk_x11_screen_get_screen_number (gtk_widget_get_screen (applet));
 
        return wnck_screen_get (screen_num);
 }