[gnome-music/wip/jfelder/flatpak-build: 3/4] libgd: Change submodule url to https

[Jean Felder <jfelder src gnome org>]

commit 581f6a474f9cf8092c4d8cccfefcdfc91dac4bb8
Author: Jean Felder <jfelder src gnome org>
Date:   Thu May 17 09:39:40 2018 +0200

    libgd: Change submodule url to https

 .gitmodules | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitmodules b/.gitmodules
index e91a9d2e..054b71cc 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
 [submodule "subprojects/libgd"]
        path = subprojects/libgd
-       url = git://git.gnome.org/libgd
+       url = https://git.gnome.org/browse/libgd