fix compile errors

traits/src/currency.rs

@@ -648,7 +648,7 @@ pub trait OnNewAccount<AccountId, CurrencyId> {
 	fn on_new_account(who: &AccountId, currency_id: CurrencyId);
 }
 
-impl<AccountId, CurrencyId, Balance> OnDust<AccountId, CurrencyId> for () {
+impl<AccountId, CurrencyId> OnNewAccount<AccountId, CurrencyId> for () {
 	fn on_new_account(_: &AccountId, _: CurrencyId) {}
 }
 
@@ -657,7 +657,7 @@ pub trait OnKilledAccount<AccountId, CurrencyId> {
 	fn on_killed_account(who: &AccountId, currency_id: CurrencyId);
 }
 
-impl<AccountId, CurrencyId, Balance> OnDust<AccountId, CurrencyId> for () {
+impl<AccountId, CurrencyId> OnKilledAccount<AccountId, CurrencyId> for () {
 	fn on_killed_account(_: &AccountId, _: CurrencyId) {}
 }
 

traits/src/lib.rs

@@ -16,7 +16,7 @@ pub use auction::{Auction, AuctionHandler, AuctionInfo, OnNewBidResult};
 pub use currency::{
 	BalanceStatus, BasicCurrency, BasicCurrencyExtended, BasicLockableCurrency, BasicReservableCurrency,
 	LockIdentifier, MultiCurrency, MultiCurrencyExtended, MultiLockableCurrency, MultiReservableCurrency,
-	NamedBasicReservableCurrency, NamedMultiReservableCurrency, OnDust,
+	NamedBasicReservableCurrency, NamedMultiReservableCurrency, OnDust, OnNewAccount, OnKilledAccount,
 };
 pub use data_provider::{DataFeeder, DataProvider, DataProviderExtended};
 pub use get_by_key::GetByKey;