Updates kvmx: 8abd792 TODO: spice-client-gtk patch

diff --git a/kvmx b/kvmx
index f5006519b43c57b5e63c2fdb7541f68a0ac00232..8abd7921ce1ba37e1b35083dd9fb565680694079 160000 (submodule)
--- a/kvmx
+++ b/kvmx
@@ -1 +1 @@
-Subproject commit f5006519b43c57b5e63c2fdb7541f68a0ac00232
+Subproject commit 8abd7921ce1ba37e1b35083dd9fb565680694079