Updates kvmx: 534a400 Try nohup approach at kvmx-shell

diff --git a/kvmx b/kvmx
index ca6f1fef1bacd0c481f182b6dfd7986830279fce..534a40046e2f8b2bac2d3d8c465ae0a3c572f97d 160000 (submodule)
--- a/kvmx
+++ b/kvmx
@@ -1 +1 @@
-Subproject commit ca6f1fef1bacd0c481f182b6dfd7986830279fce
+Subproject commit 534a40046e2f8b2bac2d3d8c465ae0a3c572f97d