[gnome-boxes] flatpak: Update usbredir repo URL

[Felipe Borges <felipeborges src gnome org>]

commit fd11b8f6e8dcbfbb20fa946ca333558963377ef3
Author: Felipe Borges <felipeborges gnome org>
Date:   Mon Mar 11 19:25:51 2019 +0100

    flatpak: Update usbredir repo URL
    
    usbredir has been migrated to freedesktop.org Gitlab instance.
    
    https://gitlab.freedesktop.org/spice/usbredir.git

 build-aux/flatpak/org.gnome.Boxes.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/build-aux/flatpak/org.gnome.Boxes.json b/build-aux/flatpak/org.gnome.Boxes.json
index 660761de..c5f936b4 100644
--- a/build-aux/flatpak/org.gnome.Boxes.json
+++ b/build-aux/flatpak/org.gnome.Boxes.json
@@ -258,7 +258,7 @@
             "sources" : [
                 {
                     "type" : "git",
-                    "url" : "git://anongit.freedesktop.org/spice/usbredir",
+                    "url" : "https://gitlab.freedesktop.org/spice/usbredir.git";,
                     "tag" : "usbredir-0.7.1",
                     "commit" : "e1a7e3dbbe091bfdc568372ff5ab18ed7eae972e"
                 }