Another protective assert

(and a typo)

bin/varnishd/cache/cache_fetch.c

@@ -749,6 +749,7 @@ VBF_Fetch(struct worker *wrk, struct req *req, struct objcore *oc,
 	if (oldobj != NULL) {
 		if (http_GetHdr(oldobj->http, H_Last_Modified, NULL) ||
 		   http_GetHdr(oldobj->http, H_ETag, NULL)) {
+			assert(oldobj->objcore->refcnt > 0);
 			HSH_Ref(oldobj->objcore);
 			bo->ims_obj = oldobj;
 		}

bin/varnishd/cache/cache_req_fsm.c

@@ -434,7 +434,7 @@ cnt_lookup(struct worker *wrk, struct req *req)
 		else {
 			/*
 			 * We don't have a busy object, so treat this
-			 * lige a pass
+			 * like a pass
 			 */
 			VSLb(req->vsl, SLT_VCL_Error,
 			    "vcl_hit{} returns fetch without busy object."