drivers: wifi: eswifi: Fix callback prototype

net_tcp_accept_cb_t takes a socklen_t as 3rd argument,
which type was changed in
c546c1c
and is not anymore equivalent to size_t.
So let's correct it.

As a freebie, let's define that function as static as it is.

Signed-off-by: Alberto Escolar Piedras <[email protected]>

Author: aescolar

drivers/wifi/eswifi/eswifi_socket_offload.c

@@ -106,8 +106,8 @@ static int eswifi_socket_listen(void *obj, int backlog)
 	return ret;
 }
 
-void __eswifi_socket_accept_cb(struct net_context *context, struct sockaddr *addr,
-			       size_t len, int val, void *data)
+static void __eswifi_socket_accept_cb(struct net_context *context, struct sockaddr *addr,
+				      socklen_t len, int val, void *data)
 {
 	struct sockaddr *addr_target = data;