Apparently 4.01.0 doesn't have js_of_ocaml, needed by rpc
Apparently 4.01.0 doesn't have js_of_ocaml, needed by rpc

Signed-off-by: David Scott <63c9eb0ea83039690fefa11afe17873ba8278a56@eu.citrix.com>

djs55/mirage-block-volume,simonjbeaumont/mirage-block-volume