Prevent TFriendElement::GetFile from changin gDirectory/gFile Properly lookup a chain name in gROOT (instead of the current directory).  This repairs the case ch->AddFriend(chainname) when ch is not stored in gROOT.
Prevent TFriendElement::GetFile from changin gDirectory/gFile
Properly lookup a chain name in gROOT (instead of the current
directory).  This repairs the case ch->AddFriend(chainname)
when ch is not stored in gROOT.


git-svn-id: ecbadac9c76e8cf640a0bca86f6bd796c98521e3@15810 27541ba8-7e3a-0410-8455-c3a389f83636

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