[varnishcache/varnish-cache] f0b60c: init the condvar before we signal it

[Poul-Henning Kamp]

  Branch: refs/heads/master
  Home:   https://github.com/varnishcache/varnish-cache
  Commit: f0b60c06b2de78b9833528d639445ca074990e88
      https://github.com/varnishcache/varnish-cache/commit/f0b60c06b2de78b9833528d639445ca074990e88
  Author: Poul-Henning Kamp <phk at FreeBSD.org>
  Date:   2015-11-11 (Wed, 11 Nov 2015)

  Changed paths:
    M bin/varnishd/cache/cache_ban.c

  Log Message:
  -----------
  init the condvar before we signal it