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

hiroyuki-sato wants to merge 7 commits into

apache:mainapache/arrow:mainfrom

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