[dovecot/core] 17466c: lib: Assert if i_stream_create_seekable_path(temp_...

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/dovecot/core
  Commit: 17466c748183b19f7775374ce6afbd7bf62d479d
      https://github.com/dovecot/core/commit/17466c748183b19f7775374ce6afbd7bf62d479d
  Author: Timo Sirainen <timo.sirainen at dovecot.fi>
  Date:   2016-09-19 (Mon, 19 Sep 2016)

  Changed paths:
    M src/lib/istream-seekable.c

  Log Message:
  -----------
  lib: Assert if i_stream_create_seekable_path(temp_path_prefix==NULL)

If the stream becomes large enough it would crash then in a callback
function, which makes debugging more difficult.