netstat: Use WINAPIV calling convention for variadic functions.

programs/netstat/netstat.c

@@ -70,7 +70,7 @@ static const WCHAR tcpstatesW[][16] = {
  *  and hence required WriteConsoleW to output it, however if file i/o is
  *  redirected, it needs to be WriteFile'd using OEM (not ANSI) format
  * ========================================================================= */
-static int __cdecl NETSTAT_wprintf(const WCHAR *format, ...)
+static int WINAPIV NETSTAT_wprintf(const WCHAR *format, ...)
 {
     static WCHAR *output_bufW = NULL;
     static char  *output_bufA = NULL;