procutil: use rapply(tonativestr, ...) to preserve lists when they come in...
procutil: use rapply(tonativestr, ...) to preserve lists when they come in
This was broken when script was a list instead of a string. I caught this
with an internal extension at Google, and I'm not really sure why it wasn't
caught in any kind of CI.
Differential Revision:
https://phab.mercurial-scm.org/D9471
