Update ethers-middleware/src/signer.rs

Co-authored-by: Matthias Seitz <[email protected]>

Author: kristian1108

Diff for: ethers-middleware/src/signer.rs

@@ -258,8 +258,8 @@ where
             let chain = Chain::try_from(chain_id.as_u64());
             if chain.map(Chain::is_legacy).unwrap_or_default() {
                 if let TypedTransaction::Eip1559(inner) = tx {
-                    let i_tx: TransactionRequest = inner.clone().into();
-                    *tx = TypedTransaction::Legacy(i_tx);
+                    let tx_req: TransactionRequest = inner.clone().into();
+                    *tx = TypedTransaction::Legacy(tx_req);
                 }
             }
         }