[gnome-documents] flatpak: Build from git

[Christopher Davis <christopherdavis src gnome org>]

commit 261c6880955d6b6a79f2d379ad75732acba891ef
Author: Christopher Davis <brainblasted disroot org>
Date:   Mon Aug 5 20:29:50 2019 -0700

    flatpak: Build from git
    
    Building from the local directory breaks nightlies.

 flatpak/org.gnome.Documents.json | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/flatpak/org.gnome.Documents.json b/flatpak/org.gnome.Documents.json
index d79769fe..1507d23a 100644
--- a/flatpak/org.gnome.Documents.json
+++ b/flatpak/org.gnome.Documents.json
@@ -193,8 +193,8 @@
             "config-opts": [ "-Denable-documentation=false" ],
             "sources": [
                 {
-                    "type": "dir",
-                    "path": ".."
+                    "type": "git",
+                    "url": "https://gitlab.gnome.org/GNOME/gnome-documents.git";
                 }
             ]
         }