--- http.c.orig	2010-09-25 00:00:00.000000000 +0900
+++ http.c	2012-03-10 13:53:53.000000000 +0900
@@ -206,7 +206,9 @@
 	VA_START(args, fmt);
 	n = Xsnprintf(buf, sizeof(buf), "--> \"%s\"\n", fmt);
 	if (n >= 0) vhttplog(buf, args);
+	va_end(args);
 
+	VA_START(args, fmt);
 	n = Xvfprintf(fp, fmt, args);
 	if (n >= 0) n = fputnl(fp);
 	va_end(args);