RRF: JDK-8232280: close() is not called on return value of Files.walk()

[Andy Herrick]

The webrev is modified in place to remove one file, and now passes build 
on all platforms.

/Andy

On 10/16/2019 4:31 PM, Andy Herrick wrote:
> fixing subject line ...
>
> On 10/16/2019 4:03 PM, Andy Herrick wrote:
>> Please review the jpackage fix for bug [1] at [2].
>>
>> This is a fix for the JDK-8200758-branch branch of the open sandbox 
>> repository (jpackage).
>>
>> Fix is to wrap all Files.walk() calls in try-with-resource blocks.
>>
>> [1] https://bugs.openjdk.java.net/browse/JDK-8232280
>>
>> [2] http://cr.openjdk.java.net/~herrick/8232280/webrev.01/
>>
>> /Andy
>>