Globbing drops Component::CurDir

The behavior of globbing in the shell (the two I have specifically tested are dash and zsh) differs from the behavior of glob given the following program:

extern crate glob;

fn main() {
    let mut args = ::std::env::args();
    args.next();
    let path = args.next().unwrap();
    for file in glob::glob(&path).unwrap() {
        let file = file.unwrap();
        print!("{} ", file.display());
    }
}

With an input of ./*, the program gives something like README.md Contributing.md whereas echo ./* gives ./README.md ./Contributing.md.

Start with the Rust example in the issue and compare glob::glob("./*") with shell expansion from dash and zsh. Trace how the glob results represent the current-directory component; done means preserving the ./ prefix so the library output matches shell behavior.