Do not use a WeakReference for the parent-link in HWPF-Ranges

Some unit-tests show sporadic failures and it seems functionality is actually
broken if the WeakReference is garbage-collected. Not sure why a
WeakReference was used here anyway.

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1866054 13f79535-47bb-0310-9956-ffa450edef68
2 files changed