[gnome-games] core: Add Game.get_cover()

[Adrien Plazas <aplazas src gnome org>]

commit 2f886cce2795f65e0eff32ebbc735dbb51922357
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Wed May 11 07:49:09 2016 +0200

    core: Add Game.get_cover()
    
    This will be used in the next commit to display the cover of games
    providing one.

 src/core/game.vala |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/core/game.vala b/src/core/game.vala
index 1a0d895..85412dc 100644
--- a/src/core/game.vala
+++ b/src/core/game.vala
@@ -4,5 +4,6 @@ public interface Games.Game : Object {
        public abstract string name { get; }
 
        public abstract Icon get_icon ();
+       public abstract Cover get_cover ();
        public abstract Runner get_runner () throws Error;
 }