Fix #ifdef inconsistency
fixes #310
Actually all key exchanges that use a certificate use signatures too, and
there is no key exchange that uses signatures but no cert, so merge those two
flags.
diff --git a/include/mbedtls/ssl.h b/include/mbedtls/ssl.h
index 13e5b0c..f53c800 100644
--- a/include/mbedtls/ssl.h
+++ b/include/mbedtls/ssl.h
@@ -529,7 +529,7 @@
mbedtls_x509_crl *ca_crl; /*!< trusted CAs CRLs */
#endif /* MBEDTLS_X509_CRT_PARSE_C */
-#if defined(MBEDTLS_KEY_EXCHANGE__SOME__SIGNATURE_ENABLED)
+#if defined(MBEDTLS_KEY_EXCHANGE__WITH_CERT__ENABLED)
const int *sig_hashes; /*!< allowed signature hashes */
#endif
@@ -1548,7 +1548,7 @@
const mbedtls_ecp_group_id *curves );
#endif /* MBEDTLS_ECP_C */
-#if defined(MBEDTLS_KEY_EXCHANGE__SOME__SIGNATURE_ENABLED)
+#if defined(MBEDTLS_KEY_EXCHANGE__WITH_CERT__ENABLED)
/**
* \brief Set the allowed hashes for signatures during the handshake.
* (Default: all available hashes.)
@@ -1569,7 +1569,7 @@
*/
void mbedtls_ssl_conf_sig_hashes( mbedtls_ssl_config *conf,
const int *hashes );
-#endif /* MBEDTLS_KEY_EXCHANGE__SOME__SIGNATURE_ENABLED */
+#endif /* MBEDTLS_KEY_EXCHANGE__WITH_CERT__ENABLED */
#if defined(MBEDTLS_X509_CRT_PARSE_C)
/**