RFR 8220700: jlink generated launcher script needs quoting to avoid parameter expansion

[Alan Bateman]

On 21/08/2019 12:33, sundararajan.athijegannathan at oracle.com wrote:
> Thanks Severin for your test improvement suggestion!
>
> Updated: http://cr.openjdk.java.net/~sundar/8220700/webrev.02/index.html
This looks okay but would be nice if Adder had a comment to make it 
clear that it totals the arguments up to the first "--" arg.

-Alan