hg: jdk7/tl/jdk: 7023244: (zipfs) langtools CompileTest fails on read-only file system

[xueming.shen at oracle.com]

Changeset: 90b7926884a8
Author:    sherman
Date:      2011-03-04 11:35 -0800
URL:       http://hg.openjdk.java.net/jdk7/tl/jdk/rev/90b7926884a8

7023244: (zipfs) langtools CompileTest fails on read-only file system
Summary: replaced checkAccess with Files.isWritable()
Reviewed-by: alanb

! src/share/demo/nio/zipfs/src/com/sun/nio/zipfs/ZipFileSystem.java