gccrs: nr2.0: Adjust visitors for struct expressions

gccrs: nr2.0: Adjust visitors for struct expressions

gcc/rust/ChangeLog:

	* ast/rust-ast-visitor.cc
	(DefaultASTVisitor::visit): Make sure to always visit the struct
	name.
	* resolve/rust-late-name-resolver-2.0.cc
	(Late::visit): Avoid visiting the struct name twice.

gcc/testsuite/ChangeLog:

	* rust/compile/nr2/exclude: Remove entries.

Signed-off-by: Owen Avery <powerboat9.gamer@gmail.com>