Updates ckandumper: 50dc0f5 Fix argparser desc

diff --git a/ckandumper b/ckandumper
index 5277bd8d0a5b36c51796cd33ee956099592bc3a9..50dc0f51d5e8c39a444c55c4a2dc244a3672b030 160000 (submodule)
--- a/ckandumper
+++ b/ckandumper
@@ -1 +1 @@
-Subproject commit 5277bd8d0a5b36c51796cd33ee956099592bc3a9
+Subproject commit 50dc0f51d5e8c39a444c55c4a2dc244a3672b030