Updates ckandumper: 15be194 Cleanup

diff --git a/ckandumper b/ckandumper
index 600c3dd67fc3be1e6f2cd3cf68189e7e0a276b46..15be194dd91cef6a9c58e7712b13b5316e10fd51 160000 (submodule)
--- a/ckandumper
+++ b/ckandumper
@@ -1 +1 @@
-Subproject commit 600c3dd67fc3be1e6f2cd3cf68189e7e0a276b46
+Subproject commit 15be194dd91cef6a9c58e7712b13b5316e10fd51