Comment tweak

git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@2206 d4fa192b-c00b-0410-8231-f00ffab90ce4

bin/varnishd/rfc2616.c

@@ -177,7 +177,7 @@ RFC2616_cache_policy(const struct sess *sp, const struct http *hp)
 	case 203: /* Non-Authoritative Information */
 	case 300: /* Multiple Choices */
 	case 301: /* Moved Permanently */
-	case 302: /* XXX */
+	case 302: /* Moved Temporarily */
 	case 410: /* Gone */
 	case 404: /* Not Found */
 		sp->obj->cacheable = 1;