[gtk/gtk-3-24] Fix deprecation warnings

[Matthias Clasen <matthiasc src gnome org>]

commit 5aedfe048b0fe07382433f1a78ec5bd26acd82dd
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Dec 12 12:45:37 2018 -0500

    Fix deprecation warnings

 docs/tools/shooter.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/docs/tools/shooter.c b/docs/tools/shooter.c
index 8cefa8bbf7..3d910c6ab8 100644
--- a/docs/tools/shooter.c
+++ b/docs/tools/shooter.c
@@ -170,10 +170,10 @@ take_window_shot (Window         child,
       y_orig = 0;
     }
 
-  if (x_orig + width > gdk_screen_width ())
+  if (x_orig + width > gdk_screen_get_width (gdk_screen_get_dfeault ()))
     width = gdk_screen_width () - x_orig;
 
-  if (y_orig + height > gdk_screen_height ())
+  if (y_orig + height > gdk_screen_get_height (gdk_screen_get_default ()))
     height = gdk_screen_height () - y_orig;
 
   tmp = gdk_pixbuf_get_from_window (window,