[gnome-music/wip/mschraal/tracker-changed-signal] flatpak: Use Grilo from before it breaks

[Marinus Schraal <mschraal src gnome org>]

commit c51ca05c2fd94ba26c563915243811adfcf6a143
Author: Marinus Schraal <mschraal gnome org>
Date:   Tue Jul 16 16:06:12 2019 +0200

    flatpak: Use Grilo from before it breaks
    
    See grilo!42.

 org.gnome.Music.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/org.gnome.Music.json b/org.gnome.Music.json
index eb78df51..564af941 100644
--- a/org.gnome.Music.json
+++ b/org.gnome.Music.json
@@ -104,7 +104,7 @@
                 {
                     "type": "git",
                     "url": "https://gitlab.gnome.org/GNOME/grilo.git";,
-                    "branch": "wip/mschraal/fix-grilo-0.3.8"
+                    "commit": "d6fad8022b74e21c489ff8633535657b9cb474b3"
                 }
             ],
             "cleanup": [ "/include", "/bin" ]