Share one Namespace type between gen and macro
diff --git a/gen/out.rs b/gen/out.rs
index 35f2cd7..08bf85f 100644
--- a/gen/out.rs
+++ b/gen/out.rs
@@ -1,5 +1,5 @@
 use crate::gen::include::Includes;
-use crate::gen::namespace::Namespace;
+use crate::syntax::namespace::Namespace;
 use std::cell::RefCell;
 use std::fmt::{self, Arguments, Write};