[gnome-build-meta] Try switching atk to meson

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 7bde92582e0d222c4c54dbac594be2fdf2f0fc02
Author: Michael Catanzaro <mcatanzaro igalia com>
Date:   Tue Apr 24 11:18:21 2018 -0500

    Try switching atk to meson

 elements/core-deps/atk.bst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/elements/core-deps/atk.bst b/elements/core-deps/atk.bst
index 2c0ac1c..e481210 100644
--- a/elements/core-deps/atk.bst
+++ b/elements/core-deps/atk.bst
@@ -1,4 +1,4 @@
-kind: autotools
+kind: meson
 sources:
 - kind: git
   url: git_gnome_org:atk