* dgit sbuild: check that the set of .changes files found is as we
expect, before calling mergechanges.
* dgit sbuild: Rename the used-up .changes files to `.inmulti' to
* dgit sbuild: check that the set of .changes files found is as we
expect, before calling mergechanges.
* dgit sbuild: Rename the used-up .changes files to `.inmulti' to