from Axel: 
from Axel: 

 Ensure that the first bin of the axis range is >= 1. Alice found a file with first==0 which causes an access of bin array index -1.


git-svn-id: ecbadac9c76e8cf640a0bca86f6bd796c98521e3@27763 27541ba8-7e3a-0410-8455-c3a389f83636

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