rust/chg/build.rs

context: move contents of committablectx.markcommitted() to workingctx

Same reasoning as previous commits: this function updates the
dirstate. By not updating the dirstate here, we also fix the
close-head test.

Differential Revision: https://phab.mercurial-scm.org/D6365

extern crate cc;

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