[5.2] b0d7d11 Missing header

[PÃ¥l Hermunn Johansen]

commit b0d7d1181a55400cc62d05cf11de163bd8dfc24b
Author: Dridi Boukelmoune <dridi.boukelmoune at gmail.com>
Date:   Thu Sep 14 01:50:49 2017 +0200

    Missing header

diff --git a/bin/varnishhist/varnishhist.c b/bin/varnishhist/varnishhist.c
index b8ebc19..4770249 100644
--- a/bin/varnishhist/varnishhist.c
+++ b/bin/varnishhist/varnishhist.c
@@ -38,6 +38,7 @@
 #include <math.h>
 #include <pthread.h>
 #include <signal.h>
+#include <stdarg.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
diff --git a/bin/varnishstat/varnishstat.c b/bin/varnishstat/varnishstat.c
index 29fae97..5b31ee9 100644
--- a/bin/varnishstat/varnishstat.c
+++ b/bin/varnishstat/varnishstat.c
@@ -32,6 +32,7 @@
 
 #include "config.h"
 
+#include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <signal.h>
diff --git a/bin/varnishtop/varnishtop.c b/bin/varnishtop/varnishtop.c
index 1282806..8dfa516 100644
--- a/bin/varnishtop/varnishtop.c
+++ b/bin/varnishtop/varnishtop.c
@@ -37,6 +37,7 @@
 #include <errno.h>
 #include <pthread.h>
 #include <signal.h>
+#include <stdarg.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>