[retro-gtk] Make GameInfo private

[Adrien Plazas <aplazas src gnome org>]

commit bb0d4c2278574bcea14bd0b199a7bc71ed15b038
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Wed Aug 2 15:55:21 2017 +0100

    Make GameInfo private
    
    It is only used internally now.

 retro-gtk/game-info.vala |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/retro-gtk/game-info.vala b/retro-gtk/game-info.vala
index 2412920..26bfda3 100644
--- a/retro-gtk/game-info.vala
+++ b/retro-gtk/game-info.vala
@@ -14,7 +14,7 @@ namespace Retro {
  * implementations still need it, and the file will be read and stored into the
  * data field.
  */
-public struct GameInfo {
+private struct GameInfo {
        /**
         * Path to game, UTF-8 encoded.
         *