[dovecot/core] 8a2262: lib: chdir to / after chroot

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/dovecot/core
  Commit: 8a2262007b0ccca11703a61788b77fd48b4aebad
      https://github.com/dovecot/core/commit/8a2262007b0ccca11703a61788b77fd48b4aebad
  Author: Aki Tuomi <aki.tuomi at dovecot.fi>
  Date:   2017-09-14 (Thu, 14 Sep 2017)

  Changed paths:
    M src/lib/restrict-access.c

  Log Message:
  -----------
  lib: chdir to / after chroot

Makes static analyzers more happy