[gtk/matthiasc/for-master] Don't export gdk_surface_constrain_size

[Matthias Clasen <matthiasc src gnome org>]

commit dd0c43b7ba0544266a12b53b74dcc70841112948
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Aug 27 07:31:45 2020 -0400

    Don't export gdk_surface_constrain_size
    
    It has one last use in gtkwindow.c, but that will
    go away and doesn't need this function to be exported
    anyway.

 gdk/gdksurfaceprivate.h | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/gdk/gdksurfaceprivate.h b/gdk/gdksurfaceprivate.h
index 36db8286af..50c39d5cc1 100644
--- a/gdk/gdksurfaceprivate.h
+++ b/gdk/gdksurfaceprivate.h
@@ -320,7 +320,6 @@ struct _GdkGeometry
   int max_height;
 };
 
-GDK_AVAILABLE_IN_ALL
 void       gdk_surface_constrain_size      (GdkGeometry    *geometry,
                                             GdkSurfaceHints  flags,
                                             int             width,