asyn-thread: repair build with disabled socketpair

Reported-by: Abhinav Singhal
Bug: https://curl.se/mail/lib-2025-03/0031.html
Closes #16877

diff --git a/lib/asyn-thread.c b/lib/asyn-thread.c
index dfc10a3dbaf8762549a90a6b664da99f8251cb01..610c8fd167038aba9a6f2d3e434f7cb393e63367 100644 (file)
--- a/lib/asyn-thread.c
+++ b/lib/asyn-thread.c
@@ -188,8 +188,10 @@ int init_thread_sync_data(struct thread_data *td,
     return 0;
 
   tsd->port = port;
+#ifndef CURL_DISABLE_SOCKETPAIR
   tsd->sock_pair[0] = CURL_SOCKET_BAD;
   tsd->sock_pair[1] = CURL_SOCKET_BAD;
+#endif
   tsd->ref_count = 0;
 
 #ifdef HAVE_GETADDRINFO