--- daemonize-1.4/daemonize.c	2004-07-29 13:44:47.000000000 +0200
+++ daemonize-1.4/daemonize.c	2006-04-17 23:06:37.000000000 +0200
@@ -17,6 +17,7 @@
 \*---------------------------------------------------------------------------*/
 
 #include <stdio.h>
+#include <stdlib.h>
 #include <unistd.h>
 #include <sys/types.h>
 #include <pwd.h>