DTDElementDecl "re-order" warnings

Use of the DOM leads to lots of these warning messages. It would be simple to
fix.

In file included from /usr/validators/DTD/DocTypeHandler.hpp:87,
from /usr/parsers/DOMParser.hpp:73,
from Document_XML.h:30,
from Document_Glom.h:22,
from Document_Glom.cc:19:
/usr/validators/DTD/DTDElementDecl.hpp: In method
`DTDElementDecl::DTDElementDecl ()':
/usr/validators/DTD/DTDElementDecl.hpp:247: warning: member initializers for
`ContentSpecNode
*DTDElementDecl::fContentSpec'
/usr/validators/DTD/DTDElementDecl.hpp:246: warning: and `XMLCh
*DTDElementDecl::fQName'
/usr/validators/DTD/DTDElementDecl.hpp:263: warning: will be re-ordered to
match declaration order
/usr/validators/DTD/DTDElementDecl.hpp: In method
`DTDElementDecl::DTDElementDecl (const XMLCh *,
DTDElementDecl::ModelTypes)':