Add debug log for socket creation failure

wssshd2/web_proxy.c

@@ -469,6 +469,7 @@ static int handle_proxy_request(int client_fd, wssshd_state_t *state, const wsss
     // Connect to wsssht daemon
     int tunnel_fd = socket(AF_INET, SOCK_STREAM, 0);
     if (tunnel_fd < 0) {
+        perror("[WEB-PROXY] Failed to create socket");
         send_http_error(client_fd, 500, "Internal Server Error");
         return -1;
     }