[dovecot/core] 56fbb7: lib-settings: Escape comma in section name.

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/dovecot/core
  Commit: 56fbb7e70074775af1f7c9c2d630f96d6f63e702
      https://github.com/dovecot/core/commit/56fbb7e70074775af1f7c9c2d630f96d6f63e702
  Author: Sergey Kitov <sergey.kitov at open-xchange.com>
  Date:   2017-08-25 (Fri, 25 Aug 2017)

  Changed paths:
    M src/lib-settings/settings-parser.c

  Log Message:
  -----------
  lib-settings: Escape comma in section name.

Comma is valid symbol in encoded non-ascii section names, so it
shouldn't be used as splitting symbol in section name.