[gnome-schedule] README.md: Replace broken git clone URL with GNOME Gitlab URL

[Andre Klapper <aklapper src gnome org>]

commit c886d83cf711227e3110fa877647c86094c30233
Author: Andre Klapper <a9016009 gmx de>
Date:   Sun May 24 19:50:24 2020 +0200

    README.md: Replace broken git clone URL with GNOME Gitlab URL

 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/README.md b/README.md
index bd22b6d..3ac26cd 100644
--- a/README.md
+++ b/README.md
@@ -42,7 +42,7 @@ INSTALL from source:
 * The following commands will install `gnome-schedule` on a system that has `Python` and `automake-1.7` and 
some tools like `gmake` installed.
 
 ```
- $ git clone git://git.gnome.org/git/gnome-schedule
+ $ git clone https://gitlab.gnome.org/GNOME/gnome-schedule.git
  $ pushd gnome-schedule
  $ ./autogen.sh --prefix=/usr/local
  $ make