Merge branch 'sys-utils-3rd' of https://github.com/kerolasa/lelux-utiliteetit

* 'sys-utils-3rd' of https://github.com/kerolasa/lelux-utiliteetit:
  ldattach: add default case to switches
  ldattach: convert debug macro to function
  ldattach: check numeric user inputs with strtol_or_err
  ldattach: align with howto-usage-function.txt
  ldattach: fix coding style
  docs: add long options to readprofile.8
  readprofile: fix coding style
  readprofile: use libc error printing facilities
  readprofile: add long options
  docs: align tunelp.8 with howto-man-page.txt
  docs: add long options to tunelp.8
  tunelp: add long options and align with howto-usage-function.txt
  tunelp: use libc error printing facilities
  tunelp: use symbolic exit values
  tunelp: fix coding style
  switch_root: add nls support
  switch_root: align with howto-usage-function.txt
  unshare: align with howto-usage-function.txt
  rtcwake: align with howto-usage-function.txt
  setsid: add long options and fix coding style

diff --cc sys-utils/Makefile.am
Simple merge