Updated 'core'.

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

diff --git a/core b/core
index 3b3947b86b38904aa1100b54846c14d3b31cb97d..12417a7382d7ab76dacb985819e30b57db01f1fd 160000 (submodule)
--- a/core
+++ b/core
@@ -1 +1 @@
-Subproject commit 3b3947b86b38904aa1100b54846c14d3b31cb97d
+Subproject commit 12417a7382d7ab76dacb985819e30b57db01f1fd