Updates ckandumper: f8c6e40 Coding style

diff --git a/ckandumper b/ckandumper
index fb23b97ad02b749fa876785fb032162e35a36c85..f8c6e40555200e1e21964de5dce30ab7f42499a8 160000 (submodule)
--- a/ckandumper
+++ b/ckandumper
@@ -1 +1 @@
-Subproject commit fb23b97ad02b749fa876785fb032162e35a36c85
+Subproject commit f8c6e40555200e1e21964de5dce30ab7f42499a8