Merge branch 'stable/xen-pcifront-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen

* 'stable/xen-pcifront-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
  MAINTAINERS: Mark XEN lists as moderated
  xen-pcifront: fix PCI reference leak
  xen-pcifront: Remove duplicate inclusion of headers.
  xen: fix memory leak in Xen PCI MSI/MSI-X allocator.
  MAINTAINERS: Update mailing list name for Xen pieces.