test: fix bug364 to actually run

R=golang-dev, gri
CC=golang-dev
https://golang.org/cl/5536044

test/fixedbugs/bug364.go

@@ -1,3 +1,9 @@
+// $G $D/$F.go && $L $F.$A && ./$A.out
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package main
 
 import "fmt"