hg: shenandoah/jdk10/hotspot: Fixed memory leak in region garbage cache

[zgu at redhat.com]

Changeset: 29ef1d0043a8
Author:    zgu
Date:      2017-07-19 13:03 -0400
URL:       http://hg.openjdk.java.net/shenandoah/jdk10/hotspot/rev/29ef1d0043a8

Fixed memory leak in region garbage cache

! src/share/vm/gc/shenandoah/shenandoahCollectorPolicy.cpp