$OpenBSD: patch-configure,v 1.1 2006/10/31 18:01:01 naddy Exp $
--- configure.orig	Mon Oct 30 17:48:42 2006
+++ configure	Mon Oct 30 17:49:09 2006
@@ -7186,10 +7186,12 @@ cat confdefs.h >>conftest.$ac_ext
 cat >>conftest.$ac_ext <<_ACEOF
 /* end confdefs.h.  */
 
+#include <stdarg.h>
 int
 main ()
 {
-vsprintf(0,0,0);
+va_list ap;
+vsprintf(0,0,ap);
   ;
   return 0;
 }