Bug#1042751: Missing deps when using "dune utop"

[julien . puydt]

Package: utop
Version: 2.13.1
Severity: serious

After I made utop run by itself (report #1042749), I tried to run it
through "dune utop" and found liblambda-term-ocaml-dev is needed for
this to work.

Cheers,

J