[dovecot/core] ae2bad: lib-storage: Add vsize extension to index

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/dovecot/core
  Commit: ae2bad232435e5f81f37dd4b8ddb631a564d3dc2
      https://github.com/dovecot/core/commit/ae2bad232435e5f81f37dd4b8ddb631a564d3dc2
  Author: Aki Tuomi <aki.tuomi at dovecot.fi>
  Date:   2017-01-16 (Mon, 16 Jan 2017)

  Changed paths:
    M src/lib-storage/index/index-mail.c
    M src/lib-storage/index/index-mail.h

  Log Message:
  -----------
  lib-storage: Add vsize extension to index

Keep virtual size in index, instead of cache
when it's less than 2^32-1. This helps when
cache becomes corrupted, and goes away, we
still have virtual sizes for quota calculations.