Update rungetty to version 1.2 / rev 6 via SR 931831
    
    https://build.opensuse.org/request/show/931831
    by user lrupp + dimstar_suse
    - finish UsrMerge, install to /usr/sbin (boo#1191106)
    - rename rungetty.patch to 01_rungetty-remove_sys_errlist.patch
    - copied patches from Debian:
      02_rungetty-manpage.patch to fix some errors in the manpage
      03_rungetty-disable_path.patch do not hardcode the search path
      04_rungetty-use_signed_int.patch change type of c in do_prompt to signed int
      06_rungetty-get_supplementary_groups_for_process.patch call
         initgroups to get supplementary groups for processes
      07_rungetty-allow_autologin-on-all-ttys.patch allow autologin on
         all TTYs (not only tty1)
    - added patch to remove any extraneous groups when dropping root
      privileges: 05_rungetty-missing-call-to-setgroups-before-setuid.patch