RFR 8165035 jar --help-extra should provide information on the -n/--normalize option

[Mandy Chung]

> On Feb 14, 2017, at 12:45 PM, Paul Sandoz <paul.sandoz at oracle.com> wrote:
> 
> Hi,
> 
> Please review this minor fix to the --help-extra option to to report the -n/--normalize option:
> 
>  http://cr.openjdk.java.net/~psandoz/jdk9/JDK-8165035-jar-tool-n/webrev/

Looks fine to me.

Mandy