[NFC][TTreeReader] Fix misleading indentation
[NFC][TTreeReader] Fix misleading indentation

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