* c-ada-spec.c (get_underlying_decl): Return the typedef, if any.
(dump_generic_ada_node) <POINTER_TYPE>: Clean up handling of access
to incomplete types.
(dump_nested_type): Remove redundant tests and tidy up.
(print_ada_declaration): Also set TREE_VISITED on the declaration of
a type which is the typedef of an original type.
From-SVN: r235084
