[elpa] externals/vc-backup updated (dfd0d85b67 -> b9043a3da0)

[ELPA Syncer]

elpasync pushed a change to branch externals/vc-backup.

      from  dfd0d85b67 Change maintainer address to public inbox
       new  09d015c460 Update copyright
       new  f67fe41523 Add "Package-Requires" header
       new  b7247ee24a Fix thread-last indentation
       new  b9043a3da0 Have vc-backup-diff compare adjacent versions by default


Summary of changes:
 vc-backup.el | 31 ++++++++++++++++++++++---------
 1 file changed, 22 insertions(+), 9 deletions(-)