Merge branch 'minor-dependency-cleanup' into 'master'

Minor dependency cleanup

See merge request redox-os/userutils!56

Cargo.toml

@@ -58,7 +58,6 @@ orbclient = "0.3.47"
 plain = "0.2.3"
 redox-daemon = "0.1.3"
 redox_liner = "0.5.2"
-libc = "0.2.171"
 libredox = "0.1.3"
 redox_termios = "0.1.3"
 redox_event = "0.4"

src/bin/passwd.rs

@@ -6,7 +6,8 @@ use std::io::Write;
 use std::process::exit;
 
 use extra::option::OptionalExt;
-use libc::{EPERM, O_CLOEXEC};
+use libredox::flag::O_CLOEXEC;
+use libredox::errno::EPERM;
 use redox_users::{All, AllUsers, Config, get_uid};
 use termion::input::TermRead;
 

src/bin/su.rs

@@ -6,7 +6,7 @@ use std::process::exit;
 use std::str;
 
 use extra::option::OptionalExt;
-use libc::O_CLOEXEC;
+use libredox::flag::O_CLOEXEC;
 use redox_users::{All, AllUsers, Config, get_uid};
 use syscall::EPERM;
 use termion::input::TermRead;