[gnome-build-meta] elements/world/amtk.bst: Use tarball

[Javier Jardón Cabezas <jjardon src gnome org>]

commit e9af133d9867077ea10ae057fd7f95b98df76c54
Author: Javier Jardón <jjardon gnome org>
Date:   Sun Sep 1 22:43:57 2019 +0100

    elements/world/amtk.bst: Use tarball
    
    Current master doesn't build, see
    https://gitlab.gnome.org/GNOME/amtk/issues/1

 elements/world/amtk.bst | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)
---
diff --git a/elements/world/amtk.bst b/elements/world/amtk.bst
index b7091ea7..0b0eaa6a 100644
--- a/elements/world/amtk.bst
+++ b/elements/world/amtk.bst
@@ -1,8 +1,7 @@
 kind: autotools
 sources:
-- kind: git_tag
-  url: gitlab_gnome_org:GNOME/amtk.git
-  track: master
+- kind: tar
+  url: gnome_downloads:amtk/5.0/amtk-5.0.0.tar.xz
 depends:
 - sdk/glib.bst
 - sdk/gobject-introspection.bst