Updates kvmx: 282df4b IDEAS: option to re-create the backing file

diff --git a/kvmx b/kvmx
index b9090f4aeaa28d20b616c190d96c2d636db6e830..282df4b58d7225179ec84c1e1938960129620941 160000 (submodule)
--- a/kvmx
+++ b/kvmx
@@ -1 +1 @@
-Subproject commit b9090f4aeaa28d20b616c190d96c2d636db6e830
+Subproject commit 282df4b58d7225179ec84c1e1938960129620941