Merge remote-tracking branch 'remotes/mdroth/tags/qga-pull-2020-11-09-tag' into staging

qemu-ga patch queue for hard-freeze

* fix leaked DIR* descriptor in guest-get-disks spotted by coverity

# gpg: Signature made Mon 09 Nov 2020 20:11:08 GMT
# gpg:                using RSA key CEACC9E15534EBABB82D3FA03353C9CEF108B584
# gpg:                issuer "michael.roth@amd.com"
# gpg: Good signature from "Michael Roth <flukshun@gmail.com>" [full]
# gpg:                 aka "Michael Roth <mdroth@utexas.edu>" [full]
# gpg:                 aka "Michael Roth <mdroth@linux.vnet.ibm.com>" [full]
# Primary key fingerprint: CEAC C9E1 5534 EBAB B82D  3FA0 3353 C9CE F108 B584

* remotes/mdroth/tags/qga-pull-2020-11-09-tag:
  qga: fix missing closedir() in qmp_guest_get_disks()

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