Updates ckandumper: 6d6e7a7 Coding style

diff --git a/ckandumper b/ckandumper
index 240dd14b69286e1143263ba749179f1e9b371e89..6d6e7a7427150e31f6caf473d57a08994555b62c 160000 (submodule)
--- a/ckandumper
+++ b/ckandumper
@@ -1 +1 @@
-Subproject commit 240dd14b69286e1143263ba749179f1e9b371e89
+Subproject commit 6d6e7a7427150e31f6caf473d57a08994555b62c