[shotwell] flatpak: Enable face detection on nightly

[Jens Georg <jensgeorg src gnome org>]

commit 3901d3fe2998105d710d389ef706f36cae0ab206
Author: Jens Georg <mail jensge org>
Date:   Tue Jun 5 13:41:48 2018 +0200

    flatpak: Enable face detection on nightly

 flatpak/org.gnome.Shotwell.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/flatpak/org.gnome.Shotwell.json b/flatpak/org.gnome.Shotwell.json
index 849a6cb5..17476f12 100644
--- a/flatpak/org.gnome.Shotwell.json
+++ b/flatpak/org.gnome.Shotwell.json
@@ -139,7 +139,7 @@
         {
             "name": "shotwell",
             "buildsystem": "meson",
-            "config-opts" : ["-Dudev=false", "-Dinstall-apport-hook=false"],
+            "config-opts" : ["-Dudev=false", "-Dinstall-apport-hook=false", "-Dface-detection=true"],
             "sources" : [
                 {
                     "type": "git",