[calls/wip/cdavis/flatpak-builddir] flatpak: Use builddir: true

[Christopher Davis <christopherdavis src gnome org>]

commit 49cd18a758a4bdf3040ce48dcee718cafd94d93d
Author: Christopher Davis <christopherdavis gnome org>
Date:   Thu Nov 25 22:30:26 2021 -0800

    flatpak: Use builddir: true
    
    This enables out of tree builds for the final module.

 org.gnome.Calls.json | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/org.gnome.Calls.json b/org.gnome.Calls.json
index a1a0eff3..618f1509 100644
--- a/org.gnome.Calls.json
+++ b/org.gnome.Calls.json
@@ -295,6 +295,7 @@
         },
         {
             "name" : "calls",
+            "builddir" : "true",
             "buildsystem" : "meson",
             "sources" : [
                 {