Move std::rt::io to std::io

src/librustdoc/html/render.rs

@@ -39,10 +39,10 @@ use std::comm;
 use std::fmt;
 use std::hashmap::{HashMap, HashSet};
 use std::local_data;
-use std::rt::io::buffered::BufferedWriter;
-use std::rt::io;
-use std::rt::io::fs;
-use std::rt::io::File;
+use std::io::buffered::BufferedWriter;
+use std::io;
+use std::io::fs;
+use std::io::File;
 use std::os;
 use std::str;
 use std::task;