ovsqlite bits and pieces

[Bo Lindbergh]

This gets embarrassing.

Back in 2020, I somehow missed that SQLite's PRNG has a direct C interface.
Using this is much simpler than preparing and running some SQL.

The PRNG is only used in one place: generating a random
authentication cookie when Unix-domain sockets aren't available.
So to test the new shorter code I built INN with Unix sockets
forced off, and then I discovered that I had failed to test this case
in the INN::ovsqlite_client Perl module.

New and improved code attached, actually tested this time.

/Bo Lindbergh
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