Updated 'core'.

Signed-off-by: Roland Haeder <roland@mxchange.org>

diff --git a/core b/core
index e6ff20a8ad777aa6b381dca7f7baf1bc3abded9e..17f36438ae9e5d239cbfc019890ea81ba5f00bb1 160000 (submodule)
--- a/core
+++ b/core
@@ -1 +1 @@
-Subproject commit e6ff20a8ad777aa6b381dca7f7baf1bc3abded9e
+Subproject commit 17f36438ae9e5d239cbfc019890ea81ba5f00bb1