Fix benchmark_include_macro

crates/hir_ty/src/tests/macros.rs

@@ -853,7 +853,7 @@ macro_rules! include {() => {}}
 
 fn main() {
     RegisterBlock { };
-                  //^ RegisterBlock
+  //^^^^^^^^^^^^^^^^^ RegisterBlock
 }
     "#;
     let fixture = format!("{}\n//- /foo.rs\n{}", fixture, data);