[gnome-music/wip/jfelder/flatpak-no-grilo-doc] flatpak: Do not build grilo documentation

[Jean Felder <jfelder src gnome org>]

commit 55dc93d1acb7a3b6a73cfe4f1eac8fb94c0924b0
Author: Jean Felder <jfelder src gnome org>
Date:   Sun May 19 17:42:26 2019 +0200

    flatpak: Do not build grilo documentation
    
    Grilo documentation is now built by default. Disable its generation as
    it is not needed.

 org.gnome.Music.json | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/org.gnome.Music.json b/org.gnome.Music.json
index 19784b23..47004d5c 100644
--- a/org.gnome.Music.json
+++ b/org.gnome.Music.json
@@ -100,6 +100,7 @@
         {
             "name": "grilo",
             "buildsystem": "meson",
+           "config-opts": [ "-Denable-gtk-doc=false" ],
             "sources": [
                 {
                     "type": "git",