Merge remote-tracking branch 'remotes/qmp-unstable/queue/qmp' into staging

* remotes/qmp-unstable/queue/qmp:
  qapi-types: add C99 index names to arrays
  monitor: Fix missing err = NULL in client_migrate_info()
  balloon: Fix typo
  hmp: Fix warning from smatch (wrong argument in function call)

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

diff --cc hmp.c
Simple merge

diff --cc monitor.c
Simple merge