[tali] GamesFrame: Add missing parent instance in class struct

[Mart Raudsepp <mraudsepp src gnome org>]

commit eff683fc59b6e2a4f32e7f18e53a29c96e7ccc89
Author: Mart Raudsepp <leio gentoo org>
Date:   Sat Mar 28 21:09:13 2020 +0200

    GamesFrame: Add missing parent instance in class struct
    
    Fixes: 3007de9ec0d2253727bb9ae54f304488dfb74b01

 src/games-frame.c | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/src/games-frame.c b/src/games-frame.c
index d0df367..b96227c 100644
--- a/src/games-frame.c
+++ b/src/games-frame.c
@@ -27,6 +27,7 @@ enum {
 };
 
 struct _GamesFrame {
+  GtkBox     parent;
   GtkWidget *label;
   GtkWidget *alignment;
 };