Updates ckandumper: a7ce9e7 Cleanup

diff --git a/ckandumper b/ckandumper
index 47b7b92fe7aa4509436b3dc8be50eb20cf3a3923..a7ce9e79bbc81b5abfde4b8e99e95d039a092baa 160000 (submodule)
--- a/ckandumper
+++ b/ckandumper
@@ -1 +1 @@
-Subproject commit 47b7b92fe7aa4509436b3dc8be50eb20cf3a3923
+Subproject commit a7ce9e79bbc81b5abfde4b8e99e95d039a092baa