[5.2] c3f20d6 Remove unneeded #include

[PÃ¥l Hermunn Johansen]

commit c3f20d637b2c09130bc417f90ae8f279f371f8f1
Author: Poul-Henning Kamp <phk at FreeBSD.org>
Date:   Thu Sep 7 09:16:48 2017 +0000

    Remove unneeded #include

diff --git a/bin/varnishd/common/common.h b/bin/varnishd/common/common.h
index cbbeb47..3d5a3ae 100644
--- a/bin/varnishd/common/common.h
+++ b/bin/varnishd/common/common.h
@@ -33,7 +33,6 @@
 #endif
 #define COMMON_COMMON_H
 
-#include <stdarg.h>
 #include <stdint.h>
 
 #include <sys/types.h>