RFR: JDK-8311938: Add default cups include location for configure on AIX [v4]

[Julian Waters]

On Thu, 3 Aug 2023 08:16:55 GMT, Andreas Steiner <duke at openjdk.org> wrote:

>> Add the default include location(/opt/freeware/include/) for cups on AIX. With this set the additional configure parameter --with-cups-include can be removed, which was needed on AIX.
>
> Andreas Steiner has updated the pull request incrementally with one additional commit since the last revision:
> 
>   use AC_CHECK_HEADERS for AIX default location too

Looks good, sorry I missed this until now

-------------

Marked as reviewed by jwaters (Committer).

PR Review: https://git.openjdk.org/jdk/pull/15100#pullrequestreview-1560587284