Update bash to rev 160 via SR 774145
    
    https://build.opensuse.org/request/show/774145
    by user WernerFink + dimstar_suse
    - Add official patch bash50-012
      When using previous-history to go back beyond the beginning of the history list,
      it's possible to move to an incorrect partial line.
    - Add official patch bash50-013
      Reading history entries with timestamps can result in history entries joined
      by linefeeds.
    - Add official patch bash50-014
      If the current line is empty, using the emacs C-xC-e binding to enter the
      editor will edit the previous command instead of the current (empty) one.
    - Add official patch bash50-015
      If alias expansion is enabled when processing the command argument to the
      `-c' option, an alias is defined in that command, and the command ends with
      the invocation of that alias, the shell's command parser can prematurely
      terminate before the entire command is executed.
    - Add off