[varnishcache/varnish-cache] 6f6bf9: Move LRU-touching behind a oc->touch method.

[Poul-Henning Kamp]

  Branch: refs/heads/master
  Home:   https://github.com/varnishcache/varnish-cache
  Commit: 6f6bf9dbb8ca834855a22d10d169efbd5557e184
      https://github.com/varnishcache/varnish-cache/commit/6f6bf9dbb8ca834855a22d10d169efbd5557e184
  Author: Poul-Henning Kamp <phk at FreeBSD.org>
  Date:   2015-12-16 (Wed, 16 Dec 2015)

  Changed paths:
    M bin/varnishd/cache/cache.h
    M bin/varnishd/cache/cache_expire.c
    M bin/varnishd/cache/cache_obj.c
    M bin/varnishd/cache/cache_obj.h
    M bin/varnishd/cache/cache_req_fsm.c
    M bin/varnishd/storage/storage_persistent.c
    M bin/varnishd/storage/storage_persistent_silo.c
    M bin/varnishd/storage/storage_simple.c

  Log Message:
  -----------
  Move LRU-touching behind a oc->touch method.

This makes it easier for -spersistent to avoid LRU touching