[dovecot/core] 9018d0: lib-index: Fix assert-crash after "log file shrank...

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/dovecot/core
  Commit: 9018d05c381d859f4b856a5ea0cad3538092ba1c
      https://github.com/dovecot/core/commit/9018d05c381d859f4b856a5ea0cad3538092ba1c
  Author: Timo Sirainen <timo.sirainen at dovecot.fi>
  Date:   2016-11-28 (Mon, 28 Nov 2016)

  Changed paths:
    M src/lib-index/mail-transaction-log-file.c

  Log Message:
  -----------
  lib-index: Fix assert-crash after "log file shrank" error.

Fixes:
Panic: file buffer.c: line 316 (buffer_set_used_size): assertion failed: (used_size <= buf->alloc)