hg: jmc/jmc: JMC-6130: Fixing one warning when launching JMC RCP on JDK 11 and one warning on Mac OS X

[marcus.hirt at oracle.com]

Changeset: c55d393368d8
Author:    hirt <marcus.hirt at oracle.com>
Date:      2018-09-04 12:59 +0200
URL:       http://hg.openjdk.java.net/jmc/jmc/rev/c55d393368d8

JMC-6130: Fixing one warning when launching JMC RCP on JDK 11 and one warning on Mac OS X
Reviewed-by: ghb, neugens

! application/org.openjdk.jmc.rcp.product/jmc.product
! application/org.openjdk.jmc.updatesite.ide/src/main/resources/run-on-jdk-instructions/index.html