[6.0] e03d6c436 Polish

[Dridi Boukelmoune]

commit e03d6c4361c70e816f8e4b0c9291acc50a144499
Author: Dridi Boukelmoune <dridi.boukelmoune at gmail.com>
Date:   Mon Dec 24 17:14:31 2018 +0100

    Polish

diff --git a/bin/varnishd/cache/cache_vrt_priv.c b/bin/varnishd/cache/cache_vrt_priv.c
index 52fd156b7..6657cdfb6 100644
--- a/bin/varnishd/cache/cache_vrt_priv.c
+++ b/bin/varnishd/cache/cache_vrt_priv.c
@@ -199,6 +199,6 @@ VCL_TaskLeave(const struct vcl *vcl, struct vrt_privs *privs)
 		VTAILQ_REMOVE(&privs->privs, vp, list);
 		VRT_priv_fini(vp->priv);
 	}
-	INIT_OBJ(privs, 0);
+	ZERO_OBJ(privs, sizeof *privs);
 }