[gtk+/gtk-3-22] Deprecate gtk_drag_dest_set_proxy

[Matthias Clasen <matthiasc src gnome org>]

commit 0ca9b468b83ea664ef83cb3f64a341d9e63d1bea
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Oct 20 13:48:05 2016 -0400

    Deprecate gtk_drag_dest_set_proxy

 gtk/gtkdragdest.c |    2 ++
 gtk/gtkdragdest.h |    2 +-
 2 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkdragdest.c b/gtk/gtkdragdest.c
index 8f4261b..d0a2423 100644
--- a/gtk/gtkdragdest.c
+++ b/gtk/gtkdragdest.c
@@ -185,6 +185,8 @@ gtk_drag_dest_set (GtkWidget            *widget,
  *   subwindow.
  *
  * Sets this widget as a proxy for drops to another window.
+ *
+ * Deprecated: 3.22
  */
 void
 gtk_drag_dest_set_proxy (GtkWidget       *widget,
diff --git a/gtk/gtkdragdest.h b/gtk/gtkdragdest.h
index 6a91404..dd2e813 100644
--- a/gtk/gtkdragdest.h
+++ b/gtk/gtkdragdest.h
@@ -73,7 +73,7 @@ void gtk_drag_dest_set   (GtkWidget            *widget,
                           gint                  n_targets,
                           GdkDragAction         actions);
 
-GDK_AVAILABLE_IN_ALL
+GDK_DEPRECATED_IN_3_22
 void gtk_drag_dest_set_proxy (GtkWidget      *widget,
                               GdkWindow      *proxy_window,
                               GdkDragProtocol protocol,