Debian Maintainers Keyring changes

[Debian FTP Masters]

The following changes to the debian-maintainers keyring have just been 
activated:

amd1...@vier-ringe.at
    Full name: Stefan Schörghofer


bir...@rantanplan.org
    Full name: Birger Schacht
    Added key: C5BC7498F466D885188CB397CB06EA7B78DBE151

Debian distribution maintenance software,
on behalf of the Keyring maintainers