[empathy] submodules: Replace non-functional git.gnome.org URL by GNOME Gitlab URL

[Andre Klapper <aklapper src gnome org>]

commit 5a6f1c9ddb0910fa81ec8ce6440b537da09f7e6f
Author: Andre Klapper <a9016009 gmx de>
Date:   Wed Sep 26 09:16:11 2018 +0200

    submodules: Replace non-functional git.gnome.org URL by GNOME Gitlab URL
    
    Fixes #912

 .gitmodules | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitmodules b/.gitmodules
index 6c30dad66..28444a5f7 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
 [submodule "telepathy-account-widgets"]
        path = telepathy-account-widgets
-       url = git://git.gnome.org/telepathy-account-widgets.git
+       url = https://gitlab.gnome.org/GNOME/telepathy-account-widgets.git