Updated 'core'.

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

diff --git a/core b/core
index 23aa45d4a6205e26184190ca446316d06a9b4648..bc1160b89c811d6e36a90be9d2fd3c1e13e01543 160000 (submodule)
--- a/core
+++ b/core
@@ -1 +1 @@
-Subproject commit 23aa45d4a6205e26184190ca446316d06a9b4648
+Subproject commit bc1160b89c811d6e36a90be9d2fd3c1e13e01543