[gtk+] quartz: Implement the GdkDisplay get_setting vfunc

[Matthias Clasen <matthiasc src gnome org>]

commit c63c672ba8f4c34264bbccceaad9a43b2b46ee2a
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Oct 30 16:42:49 2017 -0400

    quartz: Implement the GdkDisplay get_setting vfunc
    
    Just call the GdkScreen vfunc.

 gdk/quartz/gdkdisplay-quartz.c |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)
---
diff --git a/gdk/quartz/gdkdisplay-quartz.c b/gdk/quartz/gdkdisplay-quartz.c
index 19be436..3376cbb 100644
--- a/gdk/quartz/gdkdisplay-quartz.c
+++ b/gdk/quartz/gdkdisplay-quartz.c
@@ -209,6 +209,15 @@ gdk_quartz_display_get_primary_monitor (GdkDisplay *display)
   return quartz_display->monitors->pdata[0];
 }
 
+static gboolean
+gdk_quartz_display_get_setting (GdkDisplay  *display,
+                                const gchar *name,
+                                GValue      *value)
+{
+  return _gdk_quartz_screen_get_setting (_gdk_screen, name, value);
+}
+
+
 G_DEFINE_TYPE (GdkQuartzDisplay, gdk_quartz_display, GDK_TYPE_DISPLAY)
 
 static void
@@ -287,6 +296,7 @@ gdk_quartz_display_class_init (GdkQuartzDisplayClass *class)
   display_class->get_n_monitors = gdk_quartz_display_get_n_monitors;
   display_class->get_monitor = gdk_quartz_display_get_monitor;
   display_class->get_primary_monitor = gdk_quartz_display_get_primary_monitor;
+  display_class->get_setting = gdk_quartz_display_get_setting;
 
   ProcessSerialNumber psn = { 0, kCurrentProcess };