datetime: Add <stdio.h> for fprintf

diff --git a/components/datetime.c b/components/datetime.c
index 6dc9678..12d7717 100644 (file)
--- a/components/datetime.c
+++ b/components/datetime.c
@@ -1,4 +1,5 @@
 /* See LICENSE file for copyright and license details. */
+#include <stdio.h>
 #include <time.h>
 
 #include "../util.h"