Use TBranch::GetFullName in TBranchProxy (GetFriendBranchName).
Use TBranch::GetFullName in TBranchProxy (GetFriendBranchName).

This is necessary due to the change of GetBranch from depth-first to breast-first
and increase the accuracy of the finding.

karies/root,olifre/root,root-mirror/root,root-mirror/root,karies/root,karies/root,olifre/root,karies/root,olifre/root,olifre/root,karies/root,olifre/root,root-mirror/root,karies/root,root-mirror/root,olifre/root,root-mirror/root,karies/root,root-mirror/root,olifre/root,root-mirror/root,olifre/root,karies/root,karies/root,karies/root,olifre/root,root-mirror/root,karies/root,olifre/root,root-mirror/root,root-mirror/root,root-mirror/root,olifre/root