If one of the files in the chain is missing we have no place to hold the pointer to the TTreeCache object.
If one of the files in the chain is missing
we have no place to hold the pointer to the TTreeCache object.


git-svn-id: ecbadac9c76e8cf640a0bca86f6bd796c98521e3@15816 27541ba8-7e3a-0410-8455-c3a389f83636

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