message: Fix Coin import in ibc.rs
diff: @@ -9,7 +9,7 @@ use std::cmp::{Ord, Ordering, PartialOrd};
  #[cfg(feature = "ibc3")]
  use crate::addresses::Addr;
  use crate::binary::Binary;
  -use crate::coins::Coin;
  +use crate::coin::Coin;
  use crate::errors::StdResult;
  use crate::results::{Attribute, CosmosMsg, Empty, Event, SubMsg};
  use crate::serde::to_binary;
  