[gnome-games] flatpak: Add Gearsystem

[Adrien Plazas <aplazas src gnome org>]

commit da5d7d7d56ea2910f08ecf96a76645edc3dbb769
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Tue May 15 09:24:30 2018 +0200

    flatpak: Add Gearsystem
    
    This allows to run Master System and Game Gear games.

 flatpak/libretro-cores/libretro-gearsystem.json | 17 +++++++++++++++++
 flatpak/org.gnome.Games.json                    |  1 +
 2 files changed, 18 insertions(+)
---
diff --git a/flatpak/libretro-cores/libretro-gearsystem.json b/flatpak/libretro-cores/libretro-gearsystem.json
new file mode 100644
index 0000000..557bae1
--- /dev/null
+++ b/flatpak/libretro-cores/libretro-gearsystem.json
@@ -0,0 +1,17 @@
+        {
+            "name": "libretro-gearsystem",
+            "no-autogen": true,
+            "subdir": "platforms/libretro",
+            "make-args": [
+                "prefix=/app"
+            ],
+            "make-install-args": [
+                "prefix=/app"
+            ],
+            "sources": [
+                {
+                    "type": "git",
+                    "url": "https://github.com/drhelius/Gearsystem.git";
+                }
+            ]
+        }
diff --git a/flatpak/org.gnome.Games.json b/flatpak/org.gnome.Games.json
index 9c004c8..92042e4 100644
--- a/flatpak/org.gnome.Games.json
+++ b/flatpak/org.gnome.Games.json
@@ -51,6 +51,7 @@
         "libretro-cores/libretro-desmume2015.json",
         "libretro-cores/libretro-dosbox.json",
         "libretro-cores/libretro-gambatte.json",
+        "libretro-cores/libretro-gearsystem.json",
         "libretro-cores/libretro-handy.json",
         "libretro-cores/libretro-mednafen_ngp.json",
         "libretro-cores/libretro-mednafen_pce_fast.json",