rename std::vec_ng -> std::vec

Closes #12771

src/librustc/util/common.rs

@@ -16,7 +16,7 @@ use syntax::visit;
 use syntax::visit::Visitor;
 
 use std::local_data;
-use std::vec_ng::Vec;
+use std::vec::Vec;
 
 use time;
 

src/librustc/util/ppaux.rs

@@ -23,7 +23,7 @@ use middle::ty::{ty_uniq, ty_trait, ty_int, ty_uint, ty_unboxed_vec, ty_infer};
 use middle::ty;
 use middle::typeck;
 
-use std::vec_ng::Vec;
+use std::vec::Vec;
 use syntax::abi::AbiSet;
 use syntax::ast_map;
 use syntax::codemap::{Span, Pos};

src/librustc/util/sha2.rs

@@ -15,7 +15,7 @@
 use std::iter::range_step;
 use std::num::Zero;
 use std::slice::bytes::{MutableByteVector, copy_memory};
-use std::vec_ng::Vec;
+use std::vec::Vec;
 use serialize::hex::ToHex;
 
 /// Write a u32 into a vector, which must be 4 bytes long. The value is written in big-endian
@@ -529,7 +529,7 @@ mod tests {
     use super::{Digest, Sha256, FixedBuffer};
     use std::num::Bounded;
     use std::slice;
-    use std::vec_ng::Vec;
+    use std::vec::Vec;
     use self::rand::isaac::IsaacRng;
     use self::rand::Rng;
     use serialize::hex::FromHex;