[gnome-build-meta/mcatanzaro/3.31.2: 2/20] Switch xmlb to use a github tarball

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 893054b5de9751fc6bfa2e7455ce158ea507d563
Author: Michael Catanzaro <mcatanzaro igalia com>
Date:   Wed Nov 14 20:05:24 2018 -0600

    Switch xmlb to use a github tarball
    
    It doesn't have real tarball releases that I can see, and that means
    it can't be converted to a tarball by our release script. So it has to
    start out as a tarball rather than using git. Too bad.

 elements/core-deps/xmlb.bst | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)
---
diff --git a/elements/core-deps/xmlb.bst b/elements/core-deps/xmlb.bst
index efc15ad..dce6a99 100644
--- a/elements/core-deps/xmlb.bst
+++ b/elements/core-deps/xmlb.bst
@@ -1,8 +1,7 @@
 kind: meson
 sources:
-- kind: git
-  url: https://github.com/hughsie/libxmlb.git
-  track: master
+- kind: tar
+  url: https://github.com/hughsie/libxmlb/archive/0.1.4.tar.gz
 depends:
 - sdk/glib.bst
 - sdk/gobject-introspection.bst