message: Add missing sighash declaration
diff: @@ -212,6 +212,7 @@ impl TransparentInputs {
  #[cfg(feature = "transparent-inputs")]
  fn apply_signatures(&self, mtx: &mut TransactionData, consensus_branch_id: u32) {
  + let mut sighash = [0u8; 32];
  for (i, info) in self.inputs.iter().enumerate() {
  sighash.copy_from_slice(&signature_hash_data(
  mtx,
  