Used new core.

Signed-off-by: Roland Häder <haeder@hmmdeutschland.de>

diff --git a/core b/core
index bef559891cd85858fd3b5060354fb5b3bda2f604..8fc7c1d376205faeb572bba23fae1762abf2d854 160000 (submodule)
--- a/core
+++ b/core
@@ -1 +1 @@
-Subproject commit bef559891cd85858fd3b5060354fb5b3bda2f604
+Subproject commit 8fc7c1d376205faeb572bba23fae1762abf2d854