[master] eacc469 Merge with "Add missing not..."

[Martin Blix Grydeland]

commit eacc46946260cdc2a620edde97f6a3c3e8a572f9
Author: Martin Blix Grydeland <martin at varnish-software.com>
Date:   Tue Feb 23 17:40:10 2016 +0100

    Merge with "Add missing not..."

diff --git a/bin/varnishd/cache/cache_hash.c b/bin/varnishd/cache/cache_hash.c
index 117204b..4ff82be 100644
--- a/bin/varnishd/cache/cache_hash.c
+++ b/bin/varnishd/cache/cache_hash.c
@@ -828,6 +828,8 @@ HSH_DerefObjCore(struct worker *wrk, struct objcore **ocp)
 	if (r != 0)
 		return (r);
 
+	AZ(oc->exp_flags);
+
 	BAN_DestroyObj(oc);
 	AZ(oc->ban);