[libwnck/wip/muktupavels/modernize: 18/21] pager: avoid deprecated gdk_screen_get_number

[Alberts Muktupāvels <muktupavels src gnome org>]

commit b26d6b5e729ebb5fa229a4e16a9926a897889d77
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sat Nov 12 16:21:15 2016 +0200

    pager: avoid deprecated gdk_screen_get_number

 libwnck/pager.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/libwnck/pager.c b/libwnck/pager.c
index 31f8a5c..d982064 100644
--- a/libwnck/pager.c
+++ b/libwnck/pager.c
@@ -300,7 +300,7 @@ _wnck_pager_set_screen (WnckPager *pager)
     return;
 
   gdkscreen = gtk_widget_get_screen (GTK_WIDGET (pager));
-  pager->priv->screen = wnck_screen_get (gdk_screen_get_number (gdkscreen));
+  pager->priv->screen = wnck_screen_get (gdk_x11_screen_get_screen_number (gdkscreen));
 
   if (!wnck_pager_set_layout_hint (pager))
     {