[dovecot/core] 7b1947: imapc: Fix caching >= 32 kB mail bodies

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/dovecot/core
  Commit: 7b19478fa346cb725f34489a7e5f0678f1a90333
      https://github.com/dovecot/core/commit/7b19478fa346cb725f34489a7e5f0678f1a90333
  Author: Timo Sirainen <timo.sirainen at dovecot.fi>
  Date:   2017-07-17 (Mon, 17 Jul 2017)

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

  Log Message:
  -----------
  imapc: Fix caching >= 32 kB mail bodies

When closing the mail, only in-memory mail bodies were stored to cache.