correctly set fLast in case AddFirst() is called on an empty array. Fixes issue 39374.
correctly set fLast in case AddFirst() is called on an empty array.
Fixes issue 39374.


git-svn-id: ecbadac9c76e8cf640a0bca86f6bd796c98521e3@24960 27541ba8-7e3a-0410-8455-c3a389f83636

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