message: Fix to_i32 annotation
diff: @@ -20,8 +20,8 @@ pub fn to_u32<T: TryInto<u32> + Display + Copy>(input: T) -> Result<u32> {
  /// Safely converts input of type T to i32.
  /// Errors with a cosmwasm_vm::errors::Error::ConversionErr if conversion cannot be done.
  ///
  -/// Not currently used outside of test code
  -#[cfg(test)]
  +/// Used in tests and in iterator, but not with default build
  +#[allow(dead_code)]
  pub fn to_i32<T: TryInto<i32> + Display + Copy>(input: T) -> Result<i32> {
  input.try_into().or_else(|_| {
  ConversionErr {
  