failure on emacs configure script

```
wget http://mirrors.syringanetworks.net/gnu/emacs/emacs-29.2.tar.xz
tar xf emacs-29.2.tar.gz
cd emacs-29.2
/path/to/spec-spec.sh configure
```

log: https://bns.sh/i.txt (expires in 30d)

```
sh: 24: Syntax error: Missing '))'
ERROR|2024-03-01 15:48:08,139|Parsing error: ParseError
Traceback (most recent call last):
File "/srv/hs/parallel-orch/analysis.py", line 24, in parse_shell_to_asts
for untyped_ast, _original_text, _linno_before, _linno_after, in new_ast_objects:
File "/srv/hs/deps/pash/python_pkgs/libdash/parser.py", line 74, in parse
raise ParsingException()
libdash.parser.ParsingException: ParseError
```

configure script is POSIX compat (works on dash and no errors on shellcheck)

(tested on fix-conditional)