Add missing quotes in c89 script
Add missing quotes in the c89 script, which can cause issues if a symlink to the c89 script has a *, whitespace, or other shell-meaningful characters in its filename.
Noticed with shellcheck.
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Add missing quotes in the c89 script, which can cause issues if a symlink to the c89 script has a *, whitespace, or other shell-meaningful characters in its filename.
Noticed with shellcheck.