[gedit] .gitmodules: set libgd url to try to fix gnome-continuous

[Jeremy Bicha <jbicha src gnome org>]

commit 2d2db5cd5f2c3698e4f2625c0903b6ee4e449ffc
Author: Jeremy Bicha <jbicha ubuntu com>
Date:   Sat Jan 12 19:15:55 2019 -0500

    .gitmodules: set libgd url to try to fix gnome-continuous

 .gitmodules | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitmodules b/.gitmodules
index bf030e9fb..66989de51 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
 [submodule "libgd"]
        path = libgd
-       url = ../libgd.git
+       url = https://gitlab.gnome.org/GNOME/libgd.git