Updated 'core'.

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

diff --git a/core b/core
index 2fa8c1839a405d28950d4c1503270942ace0ca24..0d669494ea8e28e1d49fb9622e9e446dfa8d8db2 160000 (submodule)
--- a/core
+++ b/core
@@ -1 +1 @@
-Subproject commit 2fa8c1839a405d28950d4c1503270942ace0ca24
+Subproject commit 0d669494ea8e28e1d49fb9622e9e446dfa8d8db2