[yast/yast-users] 93c36e: fix nil addit param

Branch: refs/heads/integrate_y2users Home: https://github.com/yast/yast-users Commit: 93c36edebfbf68fbdfbb235d0afdd29814fec67c https://github.com/yast/yast-users/commit/93c36edebfbf68fbdfbb235d0afdd29814... Author: Josef Reidinger Date: 2021-10-01 (Fri, 01 Oct 2021) Changed paths: M src/lib/y2users/users_module/reader.rb Log Message: ----------- fix nil addit param