The method TBranch::GetMother was returning the daughter of the top level mother instead of the top level mother.  In
order for GetEntry to properly set the addresses it requires the top level mother to be returned by that functions.


git-svn-id: http://root.cern.ch/svn/root/trunk@6478 27541ba8-7e3a-0410-8455-c3a389f83636