If the TreeFriend is entered via a TTree*, properly detect that it is in the same file and do _not_ record the filename (since we will alway know where to find it\!)
If the TreeFriend is entered via a TTree*, properly detect that it is in the same file and do _not_ record the filename (since we will alway know where to find it\!)


git-svn-id: ecbadac9c76e8cf640a0bca86f6bd796c98521e3@25054 27541ba8-7e3a-0410-8455-c3a389f83636

bbannier/ROOT,dawehner/root,bbannier/ROOT,dawehner/root,dawehner/root,dawehner/root,dawehner/root,bbannier/ROOT,bbannier/ROOT,bbannier/ROOT,dawehner/root,dawehner/root,dawehner/root,bbannier/ROOT,bbannier/ROOT