Updates kvmx: 82373cd Adds share/patches with spice-gtk toggle-menubar patch

diff --git a/kvmx b/kvmx
index 29ff1219366e490dbe2a632de4fa97f5207f7126..82373cd0c432ff6043fa45120d0de846a2e306c1 160000 (submodule)
--- a/kvmx
+++ b/kvmx
@@ -1 +1 @@
-Subproject commit 29ff1219366e490dbe2a632de4fa97f5207f7126
+Subproject commit 82373cd0c432ff6043fa45120d0de846a2e306c1