9pfs: Convert V9fsFidState::clunked to bool

This can only be 0 or 1.

Reviewed-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
Message-Id: <20210118142300.801516-2-groug@kaod.org>
Signed-off-by: Greg Kurz <groug@kaod.org>
2 files changed