Fix issue #861: Project: heksedit cl : command line warning D9002: ignoring unknown...

diff --git a/Externals/frhed b/Externals/frhed
index f8c520a..5059001 160000 (submodule)
--- a/Externals/frhed
+++ b/Externals/frhed
@@ -1 +1 @@
-Subproject commit f8c520a085e7ed1b268731b30e3cc2d7bc6ec1dd
+Subproject commit 50590011df95cac36aa5fd800d3d2653fc16e410