message: Add getlogin stub
diff: @@ -311,14 +311,21 @@ pub unsafe extern "C" fn gethostname(mut name: *mut c_char, mut len: size_t) ->
  0
  }
  -// #[no_mangle]
  -pub extern "C" fn getlogin() -> *mut c_char {
  - unimplemented!();
  +#[no_mangle]
  +pub unsafe extern "C" fn getlogin() -> *mut c_char {
  + static mut LOGIN: [c_char; 256] = [0; 256];
  + if getlogin_r(LOGIN.as_mut_ptr(), LOGIN.len()) == 0 {
  + LOGIN.as_mut_ptr()
  + } else {
  + ptr::null_mut()
  + }
  }
  -// #[no_mangle]
  +#[no_mangle]
  pub extern "C" fn getlogin_r(name: *mut c_char, namesize: size_t) -> c_int {
  - unimplemented!();
  + //TODO: Determine correct getlogin result on Redox
  + unsafe { platform::errno = errno::ENOENT };
  + -1
  }
  #[no_mangle]
  