[gnome-games] flatpak: Pin down tracker

[Alexander Mikhaylenko <alexm src gnome org>]

commit c2f889d9933f75e3b4a201c6d3af2fd712d7bfd0
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Wed Sep 18 21:33:34 2019 +0500

    flatpak: Pin down tracker
    
    Temporarily use tracker-2.3 until master branch is fixed.

 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 388b77b6..14d62561 100644
--- a/flatpak/org.gnome.Games.json
+++ b/flatpak/org.gnome.Games.json
@@ -102,7 +102,8 @@
             "sources" : [
                 {
                     "type" : "git",
-                    "url" : "https://gitlab.gnome.org/GNOME/tracker.git";
+                    "url" : "https://gitlab.gnome.org/GNOME/tracker.git";,
+                    "branch" : "tracker-2.3"
                 }
             ]
         },