[gtk/wip/chergert/quartz4u: 113/116] macos: add missing includes

[Christian Hergert <chergert src gnome org>]

commit 60429fc23141f2aa5c794e9549833329615464fe
Author: Christian Hergert <chergert redhat com>
Date:   Tue Jun 23 18:23:01 2020 -0700

    macos: add missing includes

 gdk/macos/gdkmacos.h | 4 ++++
 1 file changed, 4 insertions(+)
---
diff --git a/gdk/macos/gdkmacos.h b/gdk/macos/gdkmacos.h
index f7eea95502..d04d46067d 100644
--- a/gdk/macos/gdkmacos.h
+++ b/gdk/macos/gdkmacos.h
@@ -22,6 +22,10 @@
 
 #include <gdk/gdk.h>
 
+#include "gdkmacosdevice.h"
 #include "gdkmacosdisplay.h"
+#include "gdkmacoskeymap.h"
+#include "gdkmacosmonitor.h"
+#include "gdkmacossurface.h"
 
 #endif /* __GDK_MACOS_H__ */