Set socket option IPV6_V6ONLY before bind()

Author: K-os

host.c

@@ -49,6 +49,8 @@ enet_host_create (const ENetAddress * address, size_t peerCount, size_t channelL
     memset (host -> peers, 0, peerCount * sizeof (ENetPeer));
 
     host -> socket = enet_socket_create (ENET_SOCKET_TYPE_DATAGRAM);
+	if( host -> socket > ENET_SOCKET_NULL )
+		enet_socket_set_option (host -> socket, ENET_SOCKOPT_IPV6_V6ONLY, 0);
     if (host -> socket == ENET_SOCKET_NULL || (address != NULL && enet_socket_bind (host -> socket, address) < 0))
     {
        if (host -> socket != ENET_SOCKET_NULL)
@@ -64,7 +66,6 @@ enet_host_create (const ENetAddress * address, size_t peerCount, size_t channelL
     enet_socket_set_option (host -> socket, ENET_SOCKOPT_BROADCAST, 1);
     enet_socket_set_option (host -> socket, ENET_SOCKOPT_RCVBUF, ENET_HOST_RECEIVE_BUFFER_SIZE);
     enet_socket_set_option (host -> socket, ENET_SOCKOPT_SNDBUF, ENET_HOST_SEND_BUFFER_SIZE);
-    enet_socket_set_option (host -> socket, ENET_SOCKOPT_IPV6_V6ONLY, 0);
 
 
     if (address != NULL && enet_socket_get_address (host -> socket, & host -> address) < 0)