Merge remote-tracking branch 'remotes/kraxel/tags/pull-vga-20161027-1' into staging

virtio-gpu: fix memory leak in virtio_gpu_resource_create_2d

# gpg: Signature made Thu 27 Oct 2016 15:32:38 BST
# gpg:                using RSA key 0x4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/pull-vga-20161027-1:
  virtio-gpu: fix memory leak in virtio_gpu_resource_create_2d

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