fix grumbles

substrate/wasm-runtime/polkadot/src/runtime/consensus.rs

@@ -16,7 +16,7 @@
 
 //! Conensus module for runtime; manages the authority set ready for the native code.
 
-use runtime_support::vec::Vec;
+use runtime_support::prelude::*;
 use storable::StorageVec;
 use primitives::SessionKey;
 

substrate/wasm-runtime/polkadot/src/runtime/session.rs

@@ -17,7 +17,7 @@
 //! Session manager: is told the validators and allows them to manage their session keys for the
 //! consensus module.
 
-use runtime_support::vec::Vec;
+use runtime_support::prelude::*;
 use keyedvec::KeyedVec;
 use storable::{kill, Storable, StorageVec};
 use primitives::{AccountID, SessionKey, BlockNumber};

substrate/wasm-runtime/polkadot/src/runtime/staking.rs

@@ -16,7 +16,7 @@
 
 //! Staking manager: Handles balances and periodically determines the best set of validators.
 
-use runtime_support::vec::Vec;
+use runtime_support::prelude::*;
 use keyedvec::KeyedVec;
 use storable::{Storable, StorageVec};
 use primitives::{BlockNumber, AccountID};

substrate/wasm-runtime/polkadot/src/runtime/system.rs

@@ -19,7 +19,7 @@
 
 use primitives::{Block, BlockNumber, Hash, UncheckedTransaction, TxOrder, Hashable};
 use runtime_support::mem;
-use runtime_support::vec::Vec;
+use runtime_support::prelude::*;
 use storable::Storable;
 use keyedvec::KeyedVec;
 use environment::with_env;