[PATCH 2/9] qapi: Mark unstable QMP parts with feature 'unstable'

[Juan Quintela]

Markus Armbruster <armbru at redhat.com> wrote:
> Add special feature 'unstable' everywhere the name starts with 'x-',
> except for InputBarrierProperties member x-origin and
> MemoryBackendProperties member x-use-canonical-path-for-ramblock-id,
> because these two are actually stable.
>
> Signed-off-by: Markus Armbruster <armbru at redhat.com>

Reviewed-by: Juan Quintela <quintela at redhat.com>