[gnome-todo] flatpak: Switch libpeas to meson

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 469f6839a92129832147554547fff94d5f2955da
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Sun Aug 25 16:26:17 2019 +0300

    flatpak: Switch libpeas to meson

 build-aux/flatpak/org.gnome.Todo.json | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
---
diff --git a/build-aux/flatpak/org.gnome.Todo.json b/build-aux/flatpak/org.gnome.Todo.json
index 7ce34ff..cda3a3c 100644
--- a/build-aux/flatpak/org.gnome.Todo.json
+++ b/build-aux/flatpak/org.gnome.Todo.json
@@ -78,12 +78,14 @@
         },
         {
             "name" : "libpeas",
+            "buildsystem" : "meson",
             "cleanup" : [
                 "/bin/*",
                 "/lib/peas-demo"
             ],
             "config-opts" : [
-                "-disable-gtk"
+                "-Dwidgetry=false",
+                "-Ddemos=false"
             ],
             "sources" : [
                 {