Please adjust severity for 1:3.24-1

[Wouter Verhelst <wouter@grep.be>]

Hi,

I uploaded a fix for two security issues in NBD to unstable yesterday,
but forgot to set the severity to "high".

Please adjust so that the package doesn't need to wait for 5 days.

Thanks,

-- 
     w@uter.{be,co.za}
wouter@{grep.be,fosdem.org,debian.org}