Add support for ECDHE_PSK key exchange
diff --git a/include/polarssl/ssl_ciphersuites.h b/include/polarssl/ssl_ciphersuites.h
index 73d6260..7157622 100644
--- a/include/polarssl/ssl_ciphersuites.h
+++ b/include/polarssl/ssl_ciphersuites.h
@@ -166,6 +166,7 @@
     POLARSSL_KEY_EXCHANGE_PSK,
     POLARSSL_KEY_EXCHANGE_DHE_PSK,
     POLARSSL_KEY_EXCHANGE_RSA_PSK,
+    POLARSSL_KEY_EXCHANGE_ECDHE_PSK,
 } key_exchange_type_t;
 
 typedef struct _ssl_ciphersuite_t ssl_ciphersuite_t;