Adapt net_accept() to IPv6
diff --git a/include/polarssl/net.h b/include/polarssl/net.h
index 88302ac..22698b4 100644
--- a/include/polarssl/net.h
+++ b/include/polarssl/net.h
@@ -82,9 +82,10 @@
* \param bind_fd Relevant socket
* \param client_fd Will contain the connected client socket
* \param client_ip Will contain the client IP address
+ * Must be at least 4 bytes, or 16 if IPv6 is supported
*
* \return 0 if successful, POLARSSL_ERR_NET_ACCEPT_FAILED, or
- * POLARSSL_ERR_NET_WOULD_BLOCK is bind_fd was set to
+ * POLARSSL_ERR_NET_WANT_READ is bind_fd was set to
* non-blocking and accept() is blocking.
*/
int net_accept( int bind_fd, int *client_fd, void *client_ip );