Update aes.c

aes.c

@@ -434,7 +434,7 @@ static void InvCipher(void)
   // There will be Nr rounds.
   // The first Nr-1 rounds are identical.
   // These Nr-1 rounds are executed in the loop below.
-  for(round=Nr-1;round>0;round--)
+  for (round = (Nr - 1); round > 0; --round)
   {
     InvShiftRows();
     InvSubBytes();
@@ -483,7 +483,7 @@ void AES_ECB_decrypt(const uint8_t* input, const uint8_t* key, uint8_t *output,
 }
 
 
-#endif // #if defined(ECB) && ECB
+#endif // #if defined(ECB) && (ECB == 1)