MAINTAINERS: add missing qcow2 entry

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Acked-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
1 file changed