Fix some more depend issues
diff --git a/include/polarssl/cipher.h b/include/polarssl/cipher.h
index 5789f77..853c7e6 100644
--- a/include/polarssl/cipher.h
+++ b/include/polarssl/cipher.h
@@ -55,6 +55,7 @@
#define POLARSSL_ERR_CIPHER_ALLOC_FAILED -0x6180 /**< Failed to allocate memory. */
#define POLARSSL_ERR_CIPHER_INVALID_PADDING -0x6200 /**< Input data contains invalid padding and is rejected. */
#define POLARSSL_ERR_CIPHER_FULL_BLOCK_EXPECTED -0x6280 /**< Decryption of block requires a full block. */
+#define POLARSSL_ERR_CIPHER_AUTH_FAILED -0x6300 /**< Authentication failed (for AEAD modes). */
#ifdef __cplusplus
extern "C" {