hg: jmc/jmc: JMC-6358: Build fails due to bugs and errors flagged by SpotBugs

[jmatsuok at redhat.com]

Changeset: a88d5b9277ba
Author:    aptmac <almacdon at redhat.com>
Date:      2019-01-23 16:23 -0500
URL:       http://hg.openjdk.java.net/jmc/jmc/rev/a88d5b9277ba

JMC-6358: Build fails due to bugs and errors flagged by SpotBugs
Reviewed-by: hirt

! pom.xml