network-socket: Re-order args of NetworkStack::accept

Make the argument order more sensible, in line with nsapi.

Author: Colin Hogben

features/net/network-socket/NetworkStack.cpp

@@ -159,7 +159,7 @@ class NetworkStackWrapper : public NetworkStack
         return _stack_api()->socket_connect(_stack(), socket, address.get_addr(), address.get_port());
     }
 
-    virtual int socket_accept(nsapi_socket_t *socket, nsapi_socket_t server, SocketAddress *address)
+    virtual int socket_accept(nsapi_socket_t server, nsapi_socket_t *socket, SocketAddress *address)
     {
         if (!_stack_api()->socket_accept) {
             return NSAPI_ERROR_UNSUPPORTED;

features/net/network-socket/NetworkStack.h

@@ -160,12 +160,12 @@ class NetworkStack
      *  This call is non-blocking. If accept would block,
      *  NSAPI_ERROR_WOULD_BLOCK is returned immediately.
      *
-     *  @param handle   Destination for a handle to the newly created socket
      *  @param server   Socket handle to server to accept from
+     *  @param handle   Destination for a handle to the newly created socket
      *  @param address  Destination for the remote address or NULL
      *  @return         0 on success, negative error code on failure
      */
-    virtual int socket_accept(nsapi_socket_t *handle, nsapi_socket_t server, SocketAddress *address=0) = 0;
+    virtual int socket_accept(nsapi_socket_t server, nsapi_socket_t *handle, SocketAddress *address=0) = 0;
 
     /** Send data over a TCP socket
      *

features/net/network-socket/TCPServer.cpp

@@ -60,7 +60,7 @@ int TCPServer::accept(TCPSocket *connection, SocketAddress *address)
 
         _pending = 0;
         void *socket;
-        ret = _stack->socket_accept(&socket, _socket, address);
+        ret = _stack->socket_accept(_socket, &socket, address);
 
         if (0 == ret) {
             connection->_lock.lock();