Done with the Coccinelle semantic patch from commit 007b0657, plus
manual clean up of dead variables.
Signed-off-by: NMarkus Armbruster <armbru@redhat.com>
Message-Id: <1452783732-6581-1-git-send-email-armbru@redhat.com>
Reviewed-by: NEric Blake <eblake@redhat.com>