#i124570# Prevent a null pointer dereference in ORoadmap::DataChanged()

Fixed-by: Ariel Constenla-Haile <arielch@apache.org>

Merged for AOO410 from trunk revision 1583418.


git-svn-id: https://svn.apache.org/repos/asf/openoffice/branches/AOO410@1583549 13f79535-47bb-0310-9956-ffa450edef68