added stdarg.h for vsnprintf.

diff --git a/tests/utils.c b/tests/utils.c
index fd543fe697524a670ae78a0c82e448a54419c4da..e101be58729eebd4567f139b35f07b327df3619f 100644 (file)
--- a/tests/utils.c
+++ b/tests/utils.c
@@ -26,7 +26,8 @@
 
 #include <stdio.h>
 #include <stdlib.h>
-
+#include <stdarg.h>
+ 
 #include "utils.h"
 
 int debug = 0;