Other may disagree, but if it's still in incoming I'd simply move it out before it gets processed and email a retraction to debian-devel-changes@lists.debian.org
However, it's a mistake with no real consequense, so I wouldn't go to a great fuss to fix it. Christoph Baumann wrote: > I uploaded my package with a wrong revision number i.e. > 1.4.3-L2.0.6-9 instead of 1.4.3-L2.0.6-8 . How can I get this correct?
