!fixup refactor(smartctl): use _comp_compgen -c for filedir

Author: akinomyoga

completions/smartctl

@@ -124,8 +124,7 @@ _comp_cmd_smartctl()
         COMPREPLY=($(compgen -W '$(_parse_help "$1")' -- "$cur"))
         [[ ${COMPREPLY-} == *= ]] && compopt -o nospace
     else
-        : "${cur:=/dev/}"
-        _comp_compgen filedir
+        _comp_compgen -c "${cur:-/dev/}" filedir
     fi
 } &&
     complete -F _comp_cmd_smartctl smartctl