Libc/os/run/rand/io reorganization. Close #1373. Close #1638.

 - Move io, run and rand to core.
 - Remove incorrect ctypes module (use libc).
 - Remove os-specific modules for os and fs.
 - Split fs between core::path and core::os.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/rustc/metadata/decoder.rs b/src/rustc/metadata/decoder.rs
index c43ed20b2fc..6b5169a5296 100644
--- a/src/rustc/metadata/decoder.rs
+++ b/src/rustc/metadata/decoder.rs
@@ -1,6 +1,6 @@
 // Decoding metadata from a single crate's metadata
 
-import std::{ebml, map, io};
+import std::{ebml, map};
 import std::map::hashmap;
 import io::writer_util;
 import syntax::{ast, ast_util};