Updates ckandumper: 39f9a75 Cleanup exception handling

diff --git a/ckandumper b/ckandumper
index a7ce9e79bbc81b5abfde4b8e99e95d039a092baa..39f9a75856419ca9b7de9cbd8b55d5514f0828aa 160000 (submodule)
--- a/ckandumper
+++ b/ckandumper
@@ -1 +1 @@
-Subproject commit a7ce9e79bbc81b5abfde4b8e99e95d039a092baa
+Subproject commit 39f9a75856419ca9b7de9cbd8b55d5514f0828aa