Updates metadot

diff --git a/metadot b/metadot
index 908bb1e56cacdac407a19e2aff37deaf1870ef5f..5df56e1704077176c0b8b87de850b33447fbbdbf 160000 (submodule)
--- a/metadot
+++ b/metadot
@@ -1 +1 @@
-Subproject commit 908bb1e56cacdac407a19e2aff37deaf1870ef5f
+Subproject commit 5df56e1704077176c0b8b87de850b33447fbbdbf