Remove compression field from SSL session if compression disabled
diff --git a/include/mbedtls/ssl.h b/include/mbedtls/ssl.h
index edb0a46..eef01f6 100644
--- a/include/mbedtls/ssl.h
+++ b/include/mbedtls/ssl.h
@@ -939,7 +939,9 @@
#if !defined(MBEDTLS_SSL_CONF_SINGLE_CIPHERSUITE)
int ciphersuite; /*!< chosen ciphersuite */
#endif /* MBEDTLS_SSL_CONF_SINGLE_CIPHERSUITE */
+#if defined(MBEDTLS_ZLIB_SUPPORT)
int compression; /*!< chosen compression */
+#endif /* MBEDTLS_ZLIB_SUPPORT */
size_t id_len; /*!< session id length */
unsigned char id[32]; /*!< session identifier */
unsigned char master[48]; /*!< the master secret */