Use TString to store histogram name in TSelectorDraw::Begin
Use TString to store histogram name in TSelectorDraw::Begin

Avoid many delete[] statements
karies/root,root-mirror/root,karies/root,karies/root,olifre/root,root-mirror/root,olifre/root,root-mirror/root,olifre/root,root-mirror/root,root-mirror/root,root-mirror/root,karies/root,root-mirror/root,karies/root,olifre/root,karies/root,root-mirror/root,karies/root,root-mirror/root,olifre/root,olifre/root,karies/root,karies/root,karies/root,olifre/root,olifre/root,karies/root,root-mirror/root,olifre/root,olifre/root,root-mirror/root,olifre/root