[gnome-games/wip/exalm/sharp-x68000: 198/203] Switch to a retro-gtk branch with a framerate hack

[Alexander Mikhaylenko <alexm src gnome org>]

commit 298fc5c6c4b09bf492b61e4580c1ffb9c017fe4b
Author: Exalm <exalm7659 gmail com>
Date:   Fri Apr 13 01:45:54 2018 +0500

    Switch to a retro-gtk branch with a framerate hack

 flatpak/org.gnome.Games.json | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/flatpak/org.gnome.Games.json b/flatpak/org.gnome.Games.json
index 23c2c6b4..27436168 100644
--- a/flatpak/org.gnome.Games.json
+++ b/flatpak/org.gnome.Games.json
@@ -220,7 +220,8 @@
             "sources" : [
                 {
                     "type" : "git",
-                    "url" : "https://gitlab.gnome.org/GNOME/retro-gtk.git";
+                    "url" : "https://gitlab.gnome.org/exalm/retro-gtk.git";,
+                    "branch" : "fps"
                 }
             ]
         },