64-bit bugs in new ovdb

[Dan Riley]

Heath Kehoe <heath.kehoe at intermec.com> writes:
>I modified ovdb in the current cvs to use uint32_t instead of ARTNUM
>for the artnum field of struct datakey, so you'll have to rebuild
>your overview if you update to a newer snapshot.

Thanks for the warning!  I made the equivalent changes to our source
tree on Friday, updated, rebuilt overview, and it seems to be working
fine.

-dan