[shotwell] flatpak: Another fix from flathub

[Jens Georg <jensgeorg src gnome org>]

commit 555512b909b85ac20a3ff11ff24fee51b12ca034
Author: Jens Georg <mail jensge org>
Date:   Sat Sep 29 13:27:36 2018 +0200

    flatpak: Another fix from flathub

 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 df34a82b..f19a1c95 100644
--- a/flatpak/org.gnome.Shotwell.json
+++ b/flatpak/org.gnome.Shotwell.json
@@ -163,7 +163,7 @@
             "sources" : [
                 {
                     "type": "git",
-                    "url" : "https://gitlab.gnome.org/GNOME/shotwell";,
+                    "url" : "https://gitlab.gnome.org/GNOME/shotwell.git/";,
                     "branch" : "master"
                 }
             ]