Updates kvmx: 684ca29 Config: sed needs to work on KVMXFILE, not in the symlink,...

diff --git a/kvmx b/kvmx
index 7ed7c785f4731b7b0d7d1b2474d658ae4fe731ea..684ca29524749320e0dfa0aa331bf105e2e5379f 160000 (submodule)
--- a/kvmx
+++ b/kvmx
@@ -1 +1 @@
-Subproject commit 7ed7c785f4731b7b0d7d1b2474d658ae4fe731ea
+Subproject commit 684ca29524749320e0dfa0aa331bf105e2e5379f