[Bro] multiple sqlite writers

[Johanna Amann]

On Wed, Mar 04, 2015 at 05:15:02PM -0500, Tony Cebzanov wrote:
> I get the following error:
> 
> 1425489173.970543 error: analysis/Log::WRITER_SQLITE: Error executing table
> creation statement: database is locked
> 
> This would appear to confirm your statement that the logging framework may
> not deal well with locking.
> 
> Should I file a bug?

Please do -- we should probably at least try to acquire a lock for a bit
before failing.

Johanna