Be explicit about connecting to :9080

When testing synthetic error page caching, make sure we connect to
:9080 rather than the default :80 since the machine might well have an
httpd running already.


git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@3115 d4fa192b-c00b-0410-8231-f00ffab90ce4

bin/varnishtest/tests/b00015.vtc

@@ -7,6 +7,7 @@ test "Check synthetic error page caching"
 varnish v1 -vcl { 
 	backend foo {
 		.host = "127.0.0.2";
+		.port = "9080";
 	}
 } -start