Updates ckandumper: 2f4cf9d Fix typo

diff --git a/ckandumper b/ckandumper
index 661c8d405c266381383870c1f23656a49d16671b..2f4cf9d60d8e7acd07028a80f71ee711422639f7 160000 (submodule)
--- a/ckandumper
+++ b/ckandumper
@@ -1 +1 @@
-Subproject commit 661c8d405c266381383870c1f23656a49d16671b
+Subproject commit 2f4cf9d60d8e7acd07028a80f71ee711422639f7