[gnome-chess/mcatanzaro/gtk4] Progress

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 9ed78850181657f07b80f77226e2e585d5893ccd
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Wed Dec 23 21:37:39 2020 -0600

    Progress

 src/chess-scene.vala | 2 +-
 src/gnome-chess.vala | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/chess-scene.vala b/src/chess-scene.vala
index 56264d5..021384c 100644
--- a/src/chess-scene.vala
+++ b/src/chess-scene.vala
@@ -81,7 +81,7 @@ public class ChessScene : Object
     public signal void changed ();
 
     public delegate void PromotionTypeCompletionHandler (PieceType? type);
-    public signal void choose_promotion_type (PromotionTypeCompletionHandler handler);
+    public signal void choose_promotion_type (owned PromotionTypeCompletionHandler handler);
 
     public int selected_rank = -1;
     public int selected_file = -1;
diff --git a/src/gnome-chess.vala b/src/gnome-chess.vala
index fd56220..561121c 100644
--- a/src/gnome-chess.vala
+++ b/src/gnome-chess.vala
@@ -363,7 +363,7 @@ Copyright © 2015–2016 Sahil Sareen""";
         promotion_type_completion_handler = null;
     }
 
-    public void show_promotion_type_selector (ChessScene.PromotionTypeCompletionHandler handler)
+    public void show_promotion_type_selector (owned ChessScene.PromotionTypeCompletionHandler handler)
         requires (promotion_type_completion_handler == null)
     {
         if (promotion_type_selector_dialog == null)