Adapt to "negative" switch for renego
diff --git a/configs/config-ccm-psk-tls1_2.h b/configs/config-ccm-psk-tls1_2.h
index 1da9f6a..00f92b7 100644
--- a/configs/config-ccm-psk-tls1_2.h
+++ b/configs/config-ccm-psk-tls1_2.h
@@ -19,6 +19,7 @@
 /* PolarSSL feature support */
 #define POLARSSL_KEY_EXCHANGE_PSK_ENABLED
 #define POLARSSL_SSL_PROTO_TLS1_2
+#define POLARSSL_SSL_DISABLE_RENEGOTIATION
 
 /* PolarSSL modules */
 #define POLARSSL_AES_C