[meld.wiki] Fix outdated broken checkout link; mentioned in #357

[Andre Klapper <aklapper src gnome org>]

commit 028e69a1d69796c52a7d0717ae7929f64c0b9006
Author: Andre Klapper <ak-47 gmx net>
Date:   Sat Aug 3 10:52:35 2019 +0000

    Fix outdated broken checkout link; mentioned in #357

 Building-binaries.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/Building-binaries.md b/Building-binaries.md
index 92681d1..695bbc1 100644
--- a/Building-binaries.md
+++ b/Building-binaries.md
@@ -18,7 +18,7 @@ Check the SOURCES file in the [binary download directory](https://download.gnome
 Using git from the command line:
 
 ```
-git clone git://git.gnome.org/meld
+git clone git gitlab gnome org:GNOME/meld.git
 ```