Fix Savannah #16015 (again); don't assume the name attribute exists.

Do not automatically exclude std::_* types when they are explicitly selected: needed for std::map on windows where the whole interface is in the base std::_Tree (baaad MSVC...)


git-svn-id: http://root.cern.ch/svn/root/trunk@22748 27541ba8-7e3a-0410-8455-c3a389f83636