hg: jigsaw/jake/jdk: Fix typo in launcher help message

[mandy . chung]

Changeset: 0491912f8410
Author:    mchung
Date:      2017-05-25 14:43 -0700
URL:       http://hg.openjdk.java.net/jigsaw/jake/jdk/rev/0491912f8410

Fix typo in launcher help message

! src/java.base/share/classes/sun/launcher/resources/launcher.properties