--- watch.c.orig 2018-06-25 10:42:01.431602657 +0200
+++ watch.c 2018-06-25 10:42:59.363603488 +0200
@@ -11,6 +11,7 @@
#include <stdlib.h>
#include <time.h>
#include <sys/stat.h>
+#include <sys/time.h>
#include "list.h"
#include "sbuf.h"