rust/chg/build.rs

cleanup: use () to wrap long lines instead of \

This is a little less brittle, and often helps indentation. In a
surprising number of cases the entire cleanup was deleting the \, as
the expression was *already* parenthesized in a workable way.

Differential Revision: https://phab.mercurial-scm.org/D5993

extern crate cc;

fn main() {
    cc::Build::new()
        .warnings(true)
        .file("src/sendfds.c")
        .file("src/sighandlers.c")
        .compile("procutil");
}