Merge branch 'fix/check_long_opts_integrity_usage' of https://github.com/cgoesche...

* 'fix/check_long_opts_integrity_usage' of https://github.com/cgoesche/util-linux-fork:
  readprofile: fix memory leak related to boot_uname_r_str() in usage()
  lslogins: ignore special long options in CI CHECK
  setpriv: fix usage message inconsistency
  newgrp: provide --command info in output message
  logger: ignore libsystemd-dependent long opt in CI CHECK
  ci: add usage message consistency check to CI CHECK phase
  su-common: ignore runuser(1) specific long option in CI CHECK
  nologin: ignore well-known shell command-line options in CI CHECK
  unshare: fix inconsistency in usage message
  flock: resolve consistency issue in the usage message
  nsenter: ignore SELinux-specific long option in CI CHECK
  namei: ignore SELinux-specific long option in CI CHECK
  lsclocks: fix inconsistency in usage message
  hwclock: mark non-standard long options to ignore in CI CHECK
  tools: (get-options.sh) skip programs that do not use <struct option>
  tools: (get-options.sh) ignore long opt definitions marked with IGNORECHECK=yes
  tools: (checkusage.sh) verify the completeness of listed long options

diff --cc sys-utils/unshare.c
Simple merge