Fixed warnings.

diff --git a/misc/winsock_async.c b/misc/winsock_async.c
index 5471ea7..7d66e5f 100644
--- a/misc/winsock_async.c
+++ b/misc/winsock_async.c
@@ -358,7 +358,7 @@
 	aq->sbuf	= (SEGPTR)sbuf;
 	aq->sbuflen	= sbuflen;
 #if 1
-	hthread = CreateThread(NULL,NULL,_async_queryfun,aq,0,NULL);
+	hthread = CreateThread(NULL,0,_async_queryfun,aq,0,NULL);
 	if (hthread==INVALID_HANDLE_VALUE)
 #endif
 		_async_queryfun(aq);