asyn-thread: fix `CURL_DISABLE_SOCKETPAIR` build

Since commit 074048ae803, `td` is used also with
`CURL_DISABLE_SOCKETPAIR`.

Closes https://github.com/curl/curl/pull/16355

diff --git a/lib/asyn-thread.c b/lib/asyn-thread.c
index 12a2e5e7db6ba6d3bc1f321e40b3b6efa6861ada..1770d14606a90dd1ca36c76d167acc046c073c1d 100644 (file)
--- a/lib/asyn-thread.c
+++ b/lib/asyn-thread.c
@@ -634,9 +634,7 @@ CURLcode Curl_resolver_is_resolved(struct Curl_easy *data,
 int Curl_resolver_getsock(struct Curl_easy *data, curl_socket_t *socks)
 {
   int ret_val = 0;
-#ifndef CURL_DISABLE_SOCKETPAIR
   struct thread_data *td = &data->state.async.thdata;
-#endif
 #if !defined(CURL_DISABLE_SOCKETPAIR) || defined(USE_HTTPSRR_ARES)
   int socketi = 0;
 #else