Updated 'core'.

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

diff --git a/core b/core
index 4d41d3384681ba250309b7c71948968938f8df5b..e3a4a5852a945b740513d6ce9eeedc686a1be017 160000 (submodule)
--- a/core
+++ b/core
@@ -1 +1 @@
-Subproject commit 4d41d3384681ba250309b7c71948968938f8df5b
+Subproject commit e3a4a5852a945b740513d6ce9eeedc686a1be017