Don't show warnings about use of getenv and lseek
Don't show warnings about use of getenv and lseek

OCaml calls lseek at startup on stdin, stdout and stderr. It also checks
for OCAMLRUNPARAM, CAMLRUNPARAM, TMPDIR and TEMP environment variables.
No need for any warnings here.

mato/mirage-solo5,mato/mirage-solo5