Updated 'core'.

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

diff --git a/core b/core
index c776f0aeecb50d67e57b30c61bc84d80192090c2..71a395b898edb7aa582bac0a68ece9f6fbe9edcf 160000 (submodule)
--- a/core
+++ b/core
@@ -1 +1 @@
-Subproject commit c776f0aeecb50d67e57b30c61bc84d80192090c2
+Subproject commit 71a395b898edb7aa582bac0a68ece9f6fbe9edcf