rustdoc: Sort the items so modules are printed last

src/rustdoc/rustdoc.rs

@@ -105,6 +105,6 @@ fn run(source_file: str) {
         desc_to_brief_pass::mk_pass(),
         trim_pass::mk_pass(),
         unindent_pass::mk_pass(),
-        markdown_pass::mk_pass {|| std::io:: stdout()}
+        markdown_pass::mk_pass {|f| f(std::io:: stdout()) }
     ]);
 }