Subject: fix warning: implicit declaration of function 'exit'
Author: Ricardo Mones <mones@debian.org>
diff --git a/dclock.c b/dclock.c
index 57b3a9a..b768495 100644
--- a/dclock.c
+++ b/dclock.c
@@ -7,6 +7,7 @@
  * manager: *Dclock.seconds: on
  */
 #include <stdio.h>
+#include <stdlib.h>
 #include <locale.h>
 #include <X11/Intrinsic.h>
 #include "Dclock.h"