Updated core.

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

diff --git a/core b/core
index 7bc4014657a70dedfc38b9b28d134aa7c3a6158c..0d669494ea8e28e1d49fb9622e9e446dfa8d8db2 160000 (submodule)
--- a/core
+++ b/core
@@ -1 +1 @@
-Subproject commit 7bc4014657a70dedfc38b9b28d134aa7c3a6158c
+Subproject commit 0d669494ea8e28e1d49fb9622e9e446dfa8d8db2