GH-50771: [CI][Dev] Fix shellcheck errors in the ci/scripts/r_install_system_dependencies.sh - #50772

GH-50771: [CI][Dev] Fix shellcheck errors in the ci/scripts/r_install_system_dependencies.sh#50772

raulcd merged 1 commit into

apache:mainapache/arrow:mainfrom

hiroyuki-sato:topic/r_install_system_dependencieshiroyuki-sato/arrow:topic/r_install_system_dependenciesCopy head branch name to clipboard