Merge branch 'lsfd--hyperlinks' of https://github.com/masatake/util-linux

* 'lsfd--hyperlinks' of https://github.com/masatake/util-linux:
  lsfd: don't enable hyperlinks for deleted files
  lsfd: enable hyperlinks only for regular files and directories
  lsfd: add --hyperlink command line option
  tests: (test_sysinfo) add a helper to call xgethostname
  lsfd: consolidate add_column()