Re: [PATCH 4/3] use string_list initializer consistently

> -- >8 --
> Subject: use string_list initializer consistently
>
> There are two types of string_lists: those that own the
> string memory, and those that don't. You can tell the
> difference by the strdup_strings flag, and one should use
> either STRING_LIST_INIT_DUP, or STRING_LIST_INIT_NODUP as an
> initializer.
>
> Historically, the normal all-zeros initialization has
> corresponded to the NODUP case. Many sites use no
> initializer at all, and that works as a shorthand for that
> case. But for a reader of the code, it can be hard to
> remember which is which. Let's be more explicit and actually
> have each site declare which type it means to use.
>
> This is a fairly mechanical conversion; I assumed each site
> was correct as-is, and just switched them all to NODUP.