Update packages

[dotemacs] / packages / shackle

diff --git a/packages/shackle b/packages/shackle
index 4ccacf92d0bfd7729388a3e698c1ded55e7f2b92..979b021077655ca38749a60c9752c0817e8fd93e 160000 (submodule)
--- a/packages/shackle
+++ b/packages/shackle
@@ -1 +1 @@
-Subproject commit 4ccacf92d0bfd7729388a3e698c1ded55e7f2b92
+Subproject commit 979b021077655ca38749a60c9752c0817e8fd93e