hg: jdk8/tl/jdk: 7157656: (zipfs) SeekableByteChannel to entry in zip file always reports its position as 0

[xueming.shen at oracle.com]

Changeset: 1ece20885be4
Author:    sherman
Date:      2012-05-08 11:16 -0700
URL:       http://hg.openjdk.java.net/jdk8/tl/jdk/rev/1ece20885be4

7157656: (zipfs) SeekableByteChannel to entry in zip file always reports its position as 0
Summary: updated SeekableByteChannel.read() to count the bytes read correctly
Reviewed-by: sherman
Contributed-by: paul.sandoz at oracle.com

! src/share/demo/nio/zipfs/src/com/sun/nio/zipfs/ZipFileSystem.java
! test/demo/zipfs/ZipFSTester.java
! test/demo/zipfs/basic.sh