WSDL2C — Document/Literal style/use WSDL

With Document/Literal style/use WSDL, the message parts refer to global element declarations.

In XML schema language, these global elements definitions are allowed to be anonymous. In
such a case there is no named type for the corresponding corba operation parameter.

Proposed solution:

When required, the translator must generate a type name by adding the prefix "T_" to the name
of the element. The OMG IDL for the inteface must generate a typedef using this generated
typename

Close with the addition of prefix when required for anonymous types