[Patch] Configure broken for Solaris 2.6 (PR#12014)

[Daniel Eischen]

>         I'd rather set _LARGEFILE64_SOURCE 9a supported
>         mexed mode) than muck about with internal-to-.h
>         variables like __PRAGMA_REDEFINE_EXTNAME.
>
>         Alas, I can't test this on gcc, as I'm using
>         Sun cc, and can't build **any** variant on 2.6.
>         This is samba-2.0.0beta4, by the way, straight off
>         the mirror.

Well, we've got Solaris 2.6 and gcc along with samba-2.0.0beta4.
We've also got Solaris 2.5 and can do samba builds with gcc
on either system should you need testers.

Dan Eischen
eischen at vigrid.com