[gnome-build-meta/valentindavid/sourceforge-mirrors] Add some sourceforge explicitly for when mirror selector does not work

[Valentin David <valentindavid src gnome org>]

commit 02a44b2841f29040bb924c00822dddd17264052a
Author: Valentin David <valentin david codethink co uk>
Date:   Thu Aug 27 13:54:24 2020 +0200

    Add some sourceforge explicitly for when mirror selector does not work

 project.conf | 9 +++++++++
 1 file changed, 9 insertions(+)
---
diff --git a/project.conf b/project.conf
index e145bfe1..c1702854 100644
--- a/project.conf
+++ b/project.conf
@@ -70,6 +70,15 @@ mirrors:
   aliases:
     ftp_gnu_org:
     - https://mirrors.kernel.org/gnu/
+- name: sourceforge
+  aliases:
+    downloads.sourceforge.net:
+    - https://downloads.sourceforge.net/
+    - https://kumisystems.dl.sourceforge.net/project/
+    - https://cfhcable.dl.sourceforge.net/project/
+    - https://deac-riga.dl.sourceforge.net/project/
+    - https://deac-ams.dl.sourceforge.net/project/
+    - https://deac-fra.dl.sourceforge.net/project/
 
 # Some overrides to the default sandbox execution environment
 #