message: Export requires_staking
diff: @@ -21,6 +21,10 @@ use crate::{
  Env, HandleResponse, HandleResult, InitResponse, InitResult, QueryResponse, QueryResult,
  };
  +#[cfg(feature = "staking")]
  +#[no_mangle]
  +extern "C" fn requires_staking() -> () {}
  +
  /// cosmwasm_vm_version_* exports mark which Wasm VM interface level this contract is compiled for.
  /// They can be checked by cosmwasm_vm.
  /// Update this whenever the Wasm VM interface breaks.
  