Update acl to version 2.3.2 / rev 52 via SR 1146854
    
    https://build.opensuse.org/request/show/1146854
    by user msmeissn + anag+factory
    - Update to version 2.3.2:
      + libobj: declare s_str directly in string_obj_tag.
      + Use thread-safe getpwnam_r and getgrnam_r.
      + setfacl: preserve the failed status when processing multiple
        files.
      + man: Document pitfall with negative permissions and user
        namespaces.
      + tools: mark long_options static & const.
    
    - modernize spec-file (move license to licensedir) (forwarded request 1146843 from dimstar)