Fix missing cstdint import when generating enums
diff --git a/syntax/mod.rs b/syntax/mod.rs
index 33ed31c..2d527dd 100644
--- a/syntax/mod.rs
+++ b/syntax/mod.rs
@@ -90,6 +90,7 @@
     pub brace_token: Brace,
     pub variants: Vec<Variant>,
     pub repr: Atom,
+    pub repr_type: Type,
 }
 
 pub struct ExternFn {