Fix formatting and compiler warning in TTree::BranchImpArr
Fix formatting and compiler warning in TTree::BranchImpArr

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