[dovecot/core] 08e9fd: lib-storage: require MAIL_STORAGE_CLASS_FLAG_STUBS...

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/dovecot/core
  Commit: 08e9fd42eb8007e1f9db62c088eef74f906114a5
      https://github.com/dovecot/core/commit/08e9fd42eb8007e1f9db62c088eef74f906114a5
  Author: Josef 'Jeff' Sipek <jeff.sipek at dovecot.fi>
  Date:   2016-11-22 (Tue, 22 Nov 2016)

  Changed paths:
    M src/lib-storage/index/dbox-single/sdbox-storage.c
    M src/lib-storage/mail-storage-private.h
    M src/lib-storage/mail-storage.c

  Log Message:
  -----------
  lib-storage: require MAIL_STORAGE_CLASS_FLAG_STUBS when caching

If we are going to be using the storage for caching, we should check that
the storage actually supports mail stubs.