RFR 8157936: Files.size(Path p) returns 0 if path is from JrtFileSystem with exploded build

[Paul Sandoz]

> On 27 Jun 2016, at 09:03, Sundararajan Athijegannathan <sundararajan.athijegannathan at oracle.com> wrote:
> 
> Please review http://cr.openjdk.java.net/~sundar/8157936/webrev.00/ for
> https://bugs.openjdk.java.net/browse/JDK-8157936
> 
> Note: no regrestion test added as jrt-fs automated testing is not done
> in exploded mode JDK. But, I'm adding a simple class file size test to
> Basic.java so that a manual run of jrt-fs tests on exploded image can
> verify the fix.
> 

Look good.
 146                 return isDirectory()? 0 : Files.size(path);
Trivially a missing space between ‘)’ and ‘?’.

Paul.