In TSelector::GetSelector give more specific error message if we can't find a class derived from TSelector in the input source file
In TSelector::GetSelector give more specific error message if we can't find a class derived from TSelector in the input source file


git-svn-id: ecbadac9c76e8cf640a0bca86f6bd796c98521e3@40603 27541ba8-7e3a-0410-8455-c3a389f83636

bbannier/ROOT,bbannier/ROOT,bbannier/ROOT,bbannier/ROOT,bbannier/ROOT,bbannier/ROOT,bbannier/ROOT