Clarify comment and variable name.  Fix an issue introduced in r39365 where the TH1::AddDirectory was not restored after a merge if it been turned off by the user
Clarify comment and variable name.  Fix an issue introduced in r39365 where the TH1::AddDirectory was not restored after a merge if it been turned off by the user


git-svn-id: ecbadac9c76e8cf640a0bca86f6bd796c98521e3@41388 27541ba8-7e3a-0410-8455-c3a389f83636

dawehner/root,dawehner/root,dawehner/root,dawehner/root,dawehner/root,dawehner/root,dawehner/root,dawehner/root