[four-in-a-row/arnaudb/wip/gtk4] Give focus to view after game reset.

[Arnaud B. <arnaudb src gnome org>]

commit c549c3d508af4d6c5b713e64fa338279eecd2cec
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Mon Apr 27 20:05:24 2020 +0200

    Give focus to view after game reset.

 src/four-in-a-row.vala | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/src/four-in-a-row.vala b/src/four-in-a-row.vala
index 00cfafe..6051b1f 100644
--- a/src/four-in-a-row.vala
+++ b/src/four-in-a-row.vala
@@ -474,6 +474,7 @@ private class FourInARow : Gtk.Application
                     return Source.REMOVE;
                 });
         }
+        game_board_view.grab_focus ();
     }
     private void switch_players ()
     {