[yast/yast-installation] 666ac0: Use string directly instead of array

Branch: refs/heads/kill-dead-code Home: https://github.com/yast/yast-installation Commit: 666ac0dc4ebe18940c2af26b8d0f9508e7df19ba https://github.com/yast/yast-installation/commit/666ac0dc4ebe18940c2af26b8d0... Author: David Díaz González Date: 2021-11-25 (Thu, 25 Nov 2021) Changed paths: M src/include/installation/misc.rb Log Message: ----------- Use string directly instead of array An improvement from code review.