Small correction by Masa in TClass.cxx.

I have source of ROOT 2.23 and made a small fix in META_Class.cxx
line 270

OLD   if(realDataObject != gROOT) {

NEW   if(realDataObject && realDataObject != gROOT) {

This prevents browser segv when you click on class name.


git-svn-id: http://root.cern.ch/svn/root/trunk@479 27541ba8-7e3a-0410-8455-c3a389f83636