[gnome-chess] Help: fix image installation

[Rafael Fontenelle <rafaelff src gnome org>]

commit bb7c28e41c5ba12781eb169e5379ca62d171b3d9
Author: Rafael Fontenelle <rffontenelle gmail com>
Date:   Sat Jul 10 21:41:43 2021 +0000

    Help: fix image installation
    
    Update filename in meson.build to fix regression by d987e798

 help/meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/help/meson.build b/help/meson.build
index 3656aa2..3f58676 100644
--- a/help/meson.build
+++ b/help/meson.build
@@ -15,7 +15,7 @@ help_sources = [
 ]
 
 help_media = [
-  'figures/gnome-chess-3-32.png',
+  'figures/gnome-chess-40.png',
   'figures/org.gnome.Chess.svg',
 ]