[gtk/wip/chergert/fix-inspector-macos] inspector: fix compilation on macOS

[Christian Hergert <chergert src gnome org>]

commit e8cd3bfc31e82746418f1c72cd136254c292dd60
Author: Christian Hergert <chergert redhat com>
Date:   Thu Jun 17 11:40:10 2021 -0700

    inspector: fix compilation on macOS

 gtk/inspector/visual.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gtk/inspector/visual.c b/gtk/inspector/visual.c
index a328b81c6d..9799ec4d32 100644
--- a/gtk/inspector/visual.c
+++ b/gtk/inspector/visual.c
@@ -837,7 +837,7 @@ init_scale (GtkInspectorVisual *vis)
     {
       double scale;
 
-      scale = gdk_monitor_get_scale_factor (gdk_x11_display_get_primary_monitor (vis->display));
+      scale = gdk_monitor_get_scale_factor (gdk_broadway_display_get_primary_monitor (vis->display));
       gtk_adjustment_set_value (vis->scale_adjustment, scale);
       g_signal_connect (vis->scale_adjustment, "value-changed",
                         G_CALLBACK (scale_changed), vis);