Trivial: 1 char fix : java launcher help message fix.

[Kumar Srinivasan]

Hi,

Please review <can't get easier than this> ...

http://cr.openjdk.java.net/~ksrini/7046007/webrev.0/
http://cr.openjdk.java.net/~ksrini/7046007/cmt.txt

Thanks
Kumar