[Pkg-bazaar-maint] Bug#940684: breezy: build-depends on obsolete package.

[peter green]

Package: breezy
Severity: serious
Version: 3.0.1-2

Breezy (both versions 3.0.1-2 and 3.0.1-4) build-depends on python-subunit which is no longer built by the subunit source package.