Add missing #ifdefs in aes.h
diff --git a/include/polarssl/aes.h b/include/polarssl/aes.h
index 7399995..ffba7bf 100644
--- a/include/polarssl/aes.h
+++ b/include/polarssl/aes.h
@@ -129,6 +129,7 @@
unsigned char *output );
#endif /* POLARSSL_CIPHER_MODE_CBC */
+#if defined(POLARSSL_CIPHER_MODE_CFB)
/**
* \brief AES-CFB128 buffer encryption/decryption.
*
@@ -176,7 +177,9 @@
unsigned char iv[16],
const unsigned char *input,
unsigned char *output );
+#endif /*POLARSSL_CIPHER_MODE_CFB */
+#if defined(POLARSSL_CIPHER_MODE_CTR)
/**
* \brief AES-CTR buffer encryption/decryption
*
@@ -206,6 +209,7 @@
unsigned char stream_block[16],
const unsigned char *input,
unsigned char *output );
+#endif /* POLARSSL_CIPHER_MODE_CTR */
#ifdef __cplusplus
}