[PATCH] qapi/qom: Document feature unstable of @x-vfio-user-server

[Markus Armbruster]

Commit 8f9a9259d32c added ObjectType member @x-vfio-user-server with
feature unstable, but neglected to explain why it is unstable.  Do
that now.

Fixes: 8f9a9259d32c (vfio-user: define vfio-user-server object)
Cc: Elena Ufimtseva <elena.ufimtseva@oracle.com>
Cc: John G Johnson <john.g.johnson@oracle.com>
Cc: Jagannathan Raman <jag.raman@oracle.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Markus Armbruster <armbru@redhat.com>
---
 qapi/qom.json | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/qapi/qom.json b/qapi/qom.json
index 8bd299265e..3c0f8c633d 100644
--- a/qapi/qom.json
+++ b/qapi/qom.json
@@ -1012,7 +1012,8 @@
 #
 # Features:
 #
-# @unstable: Member @x-remote-object is experimental.
+# @unstable: Members @x-remote-object and @x-vfio-user-server are
+# experimental.
 #
 # Since: 6.0
 ##
-- 
2.45.0