object creation.

Fixes #1764

Conflicts:
	bin/varnishd/cache/cache_fetch.c
	bin/varnishd/storage/stevedore.c
	bin/varnishd/storage/storage.h
	bin/varnishd/storage/storage_lru.c
	bin/varnishd/storage/storage_persistent.c
	bin/varnishd/storage/storage_simple.c