update susman

diff --git a/susman b/susman
index 57741168594e04a21bb579c76882e611948be197..c53fc8aca3ecb52f87613176ccf23da224f8970a 160000 (submodule)
--- a/susman
+++ b/susman
@@ -1 +1 @@
-Subproject commit 57741168594e04a21bb579c76882e611948be197
+Subproject commit c53fc8aca3ecb52f87613176ccf23da224f8970a