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fix(bash-v2): activeHelp length check syntax (#1762)
```shell $ set -u $ foo=() $ echo ${#foo} bash: foo: unbound variable echo ${#foo[*]} 0 ``` The above shows that an empty array needs the suffix `[*]` when checking its length, or else it is considered unbound.
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@ -150,7 +150,7 @@ __%[1]s_process_completion_results() {
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__%[1]s_handle_special_char "$cur" =
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# Print the activeHelp statements before we finish
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if [ ${#activeHelp} -ne 0 ]; then
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if [ ${#activeHelp[*]} -ne 0 ]; then
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printf "\n";
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printf "%%s\n" "${activeHelp[@]}"
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printf "\n"
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