GH-51090: [CI][C++] Fix shellcheck errors in cpp/build-support/fuzzing/generate_corpuses.sh - #51091

GH-51090: [CI][C++] Fix shellcheck errors in cpp/build-support/fuzzing/generate_corpuses.sh#51091

kou merged 13 commits into

apache:mainapache/arrow:mainfrom

hiroyuki-sato:topic/shellcheck-generate_corpuseshiroyuki-sato/arrow:topic/shellcheck-generate_corpusesCopy head branch name to clipboard