Fix Drawing a top level object (usually TBits). See...

Fix Drawing a top level object (usually TBits).  See http://root.cern.ch/phpBB3/viewtopic.php?t=13629


git-svn-id: http://root.cern.ch/svn/root/trunk@41686 27541ba8-7e3a-0410-8455-c3a389f83636

tree/tree/src/TBranchElement.cxx

@@ -2530,6 +2530,8 @@ void* TBranchElement::GetValuePointer() const
       return 0;
    } else if (fType == 41) {
       return 0;
+   } else if (prID < 0) {
+      return object;
    } else {
       //return GetInfoImp()->GetValue(object,fID,j,-1);
       if (!GetInfoImp() || !object) return 0;